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What Happens When Someone I Love Has Cancer?: Explain the Science of Cancer and How a Loved One's Diagnosis and Treatment Affects a Kid's Day-To-day Life (What About Me? Books) Paperback – December 24, 2019
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When Sara Olsher was diagnosed with cancer at the age of 34, her first thought was how to tell her six-year-old daughter without scaring her. As it turned out, explaining cancer was only the beginning. Treatment is long and causes a lot of ongoing changes in the family—all of which can be confusing, scary, and isolating for kids.
Join Mia and her stuffed giraffe Stuart as they explain the science of cancer and how a loved one's diagnosis and treatment affects a kid's day-to-day life. What Happens When Someone I Love Has Cancer? uses bright and fun illustrations to show how cells can turn into cancer, and helps reduce confusion about how cancer treatment affects a person and the kids in their lives.
Aimed at families with kids ages 4 to 10, What Happens When Someone I Love Has Cancer? is the perfect book for families that want to explain what cancer actually is and how it affects a kid's life, and applies to mothers, fathers, grandparents, siblings, and many types of cancer, including breast cancer, colon cancer, blood cancers such as leukemia, and bone cancers. Updated second edition (published in 2021) leaves room for conversations about Stage IV or metastatic cancer that doesn't go away, without directly approaching death.
What Happens When Someone I Love Has Cancer? helps families that want to reduce their kids' anxiety surrounding a scary diagnosis. It aims to empower kids with knowledge, which is proven to help kids through traumatic situations.
Also available in Spanish, and can be ordered in bulk (with a visual calendar) from the publisher.
Open, Honest, and Accessible Language: Kids are way smarter than many adults give them credit for, and they can handle learning the truth about most any situation — as long as it’s presented in a way that makes sense to them. No matter the topic, we can remove fear from the equation by discussing hard things in an age-appropriate way and infusing it with language and illustrations that put kids at ease.
Applies to All Types of Cancers: What Happens When Someone I Love Has Cancer explains the science of cancer, and can apply to all types of cancers, such as solid tumors like breast cancer, colon cancer, bone cancer and brain tumors, or blood cancers such as leukemia or lymphoma.
How Cancer Treatment Will Affect a Child: From a developmental perspective, kids experience life as if the whole world revolves around them. They need to understand that cancer isn’t their fault, that it’s not contagious, and that it’s not their job to fix it. But beyond that, kids want reassurance. Who will pick them up from school? How will playtime happen? Are all these emotions okay to have?
Validation of Feelings: Cancer treatment brings up a whole host of emotions. By shining a light on them, this book validates kids’ experiences and feelings, reassuring them that their emotions are normal and encouraging them to share with a trusted grown-up.
Resource for Caregivers: When there’s no resource to make hard conversations easier, grown-ups are far less likely to have the conversation. This book serves as a method to make conversations about cancer easier, so adults feel comfortable using the word cancer and knowing that their kids will feel empowered, rather than terrified. There’s also a coupon in the back of the book for a free guide to having the conversation and supporting kids ongoing.
Therapeutic and Educational Tool: Used in children’s hospitals across the globe and distributed by numerous nonprofits, What Happens When Someone I Love Has Cancer is a go-to book in schools, counseling settings, and support groups. There are no references to God or the afterlife, leaving room for families to have discussions based on their own belief system.
- Reading age4 - 9 years, from customers
- Print length34 pages
- LanguageEnglish
- Dimensions8.25 x 0.08 x 8.25 inches
- Publication dateDecember 24, 2019
- ISBN-100578571382
- ISBN-13978-0578571386
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From the Publisher
The Go-To Series for Explaining Cancer Treatment
Open + Honest: Kids are smart, and they don't need us to make up analogies, sugar-coat, or avoid the truth. They just need things explained in a way they understand.
Not Even a Little Bit Scary: Bright and fun illustrations about what cancer actually is remove the fear from a potentially scary topic.
Trusted by hospitals, Child Life Specialists, Social Workers, and Nonprofits across the United States (and globally).
Available in Both English and Spanish
Editorial Reviews
About the Author
Product details
- Publisher : Mighty + Bright
- Publication date : December 24, 2019
- Language : English
- Print length : 34 pages
- ISBN-10 : 0578571382
- ISBN-13 : 978-0578571386
- Item Weight : 3.2 ounces
- Reading age : 4 - 9 years, from customers
- Dimensions : 8.25 x 0.08 x 8.25 inches
- Book 1 of 8 : What About Me? Books
- Best Sellers Rank: #34,815 in Books (See Top 100 in Books)
- #32 in Children's Books on Diseases & Physical Illness
- #156 in Nursing (Books)
- Customer Reviews:
About the author

Sara Olsher has had a passion for writing, drawing, and getting creative since she could first hold a crayon. But it wasn’t until she faced some truly hard times that her true purpose in life revealed itself.
In Sara’s late 20s, she went through a traumatizing divorce and spent countless hours learning how to get herself and her toddler to the other side. Then, just five years later, she was shocked by a breast cancer diagnosis. During her treatment, she spent the hours when she wasn’t exhausted from chemo writing and illustrating her first book, which was a unique way to explain the science of cancer to her six year-old daughter.
This was her first book, Cancer Party!, but certainly not her last. Sara found that she loves the process of explaining hard things to kids through writing and drawing, and the impact her books have on young readers and their families brings her an incredible amount of fulfillment.
Sara's illustrations are done using an iPad Pro and an Apple Pencil, and the process of writing each book begins with an idea and lots of sticky notes.
Sara also runs a business called Mighty + Bright, which helps families use routines to cope with hard things like divorce or a cancer diagnosis. Her life’s mission is to help families understand and thrive through truly hard times. Sara lives in Oregon with her daughter and their cats.
Customer reviews
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Learn more how customers reviews work on AmazonCustomers say
Customers find this book to be a wonderful child-friendly guide to understanding cancer, with one review noting how it uses concepts like legos to explain complex ideas. The writing style receives positive feedback, with customers describing it as well-written and straightforward. They enjoy the book, with one customer mentioning they enjoy reading it together with their child.
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Customers praise this book's ability to explain cancer in a child-friendly way, with one customer noting how it uses simple concepts like legos to make the information accessible.
"...This book does a really great job at informing kids on their level...." Read more
"We found this book to be extremely helpful in explaining to our child what cancer is and how it is affecting their parent...." Read more
"...This book was super helpful!..." Read more
"...He seemed to enjoy the book and have good questions following...." Read more
Customers find the book great, with one mentioning that their child enjoys reading it together.
"Great book! It really helped my 7 year old understand what I'm going through. Today he said, is today one of your tired days?..." Read more
"...He seemed to enjoy the book and have good questions following...." Read more
"Just wow. I want to thank the author for this fantastic book...." Read more
"...This book was PERFECT for us. It also explains radiation and surgery...." Read more
Customers appreciate the writing style of the book, describing it as well-written and straightforward, with one customer noting that it explains concepts in a non-scary way.
"...Explained well in a non scary way." Read more
"...It is well written and helpful." Read more
"...They were riveted by this book, and it led them to ask great questions (which the book answered)...." Read more
"...The illustrations charmingly depict the author's clear, but not simplistic, description of cancer itself, down to the cellular level...." Read more
Reviews with images
So helpful!! Counselor recommended!
Top reviews from the United States
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- Reviewed in the United States on May 23, 2025Great book! It really helped my 7 year old understand what I'm going through. Today he said, is today one of your tired days? The illustrations of the cells was helpful. He seemed to understand why I needed treatments for so long. So kill all of the tiny broken cells after they removed the big ones in surgery. I read it to my 5 year old and it helped, I just skipped a few pages that were over his attention span.
- Reviewed in the United States on April 29, 2025This is something I have used with kids going through living with someone with cancer. I have also sent it home parents to read with their kids so that they can have family discussions in their own home. This book does a really great job at informing kids on their level. It also takes some of the stress away from parents who might not know exactly what to say or how to have this conversation with their kids. It is such a hard conversation but so important because if we don't inform our kiddo's then they try to fill in the gaps themselves and that isn't usually the correct information.
- Reviewed in the United States on February 12, 2025We found this book to be extremely helpful in explaining to our child what cancer is and how it is affecting their parent.
I would highly recommend this book to anyone who needs to explain this to their own child. It gives the intangible idea of cancer to a kid so much more tangible.
- Reviewed in the United States on December 17, 2023I have a very inquisitive 5 yr old and my dad was recently diagnosed with a very aggressive form of cancer.The media could not be loaded.
I could tell that my oldest was seeing and noticing the changes but I wasn’t sure how to explain it or talk about it with him so I avoided inviting conversation and questions from him on the subject.
It was happening so quickly and I couldn’t seem to get my footing on how to describe it and hoping to spare him of extra fear and concern I didn’t want to add worry into his thinking.
This book was super helpful!
A friend of mine that is a counselor recommended it so I had decent expectations but I was leery of how it would describe cancer. I explain this in the video I made and attached, but it was written to where the person with cancer could be just about anyone! So it won’t take much or any explanation when reading it to a kid who’s parent has cancer vs a kid who’s grandparent has cancer and so on.
I recommend it for sure!
5.0 out of 5 starsI have a very inquisitive 5 yr old and my dad was recently diagnosed with a very aggressive form of cancer.So helpful!! Counselor recommended!
Reviewed in the United States on December 17, 2023
I could tell that my oldest was seeing and noticing the changes but I wasn’t sure how to explain it or talk about it with him so I avoided inviting conversation and questions from him on the subject.
It was happening so quickly and I couldn’t seem to get my footing on how to describe it and hoping to spare him of extra fear and concern I didn’t want to add worry into his thinking.
This book was super helpful!
A friend of mine that is a counselor recommended it so I had decent expectations but I was leery of how it would describe cancer. I explain this in the video I made and attached, but it was written to where the person with cancer could be just about anyone! So it won’t take much or any explanation when reading it to a kid who’s parent has cancer vs a kid who’s grandparent has cancer and so on.
I recommend it for sure!
Images in this review
- Reviewed in the United States on October 22, 2024I got this for my 8 year old because his dad was diagnosed with cancer this summer. He seemed to enjoy the book and have good questions following. I did have to explain that there are different types of chemo and dad doesn’t have to do the type mentioned in the book because his is in pill form but that’s about it. Explained well in a non scary way.
- Reviewed in the United States on October 31, 2024This book was excellent to help explain my breast cancer to my 5 and 9 year olds. It also helps them understand recovery time and that some days mom can do things with them, and some days mom just has to rest. They’ve both referenced it since reading it and I feel it helped them understand my diagnosis a lot.
- Reviewed in the United States on September 1, 2024This is way over a toddler's understanding. It is a relatively long book that tries to explain the science of it all. My 4 year old likes it well enough, but it takes multiple sittings to read it. It is well written and helpful.
- Reviewed in the United States on September 18, 2024I bought is book to help my 8 and 6 year old grand daughters understand what their mothers situation. Easy for 8 year old to read herself. Colorful illustrations.
Top reviews from other countries
iheartsewingReviewed in Germany on April 2, 20225.0 out of 5 stars Helpful
Exactly the kind of book I was looking for to help explain the position with my sons grandpa. He was interested & asked many questions after. Incredibly helpful with enough detail for kids to comprehend.
Amazon customerReviewed in the United Kingdom on May 27, 20255.0 out of 5 stars Good & informative
Brought this book for my young niece and nephew after finding out my mum ( their grandma) was diagnosed with cancer. This book helped them to understand more about what was happening. At such a scary time this was a really good & informative book that children and adults can read together.
MegReviewed in Canada on February 10, 20245.0 out of 5 stars Perfect
As someone with cancer I found this book very helpful for the young people in my life to understand in an age-appropriate way what cancer is.
Li-LaReviewed in the United Kingdom on February 4, 20255.0 out of 5 stars A Kid-Friendly Guide to Cancer That’s Honest, Reassuring, and Even… Fun?
Let’s be real—talking to kids about cancer is HARD. You don’t want to scare them, but you also don’t want to sugarcoat things. That’s where this book comes in.
Sara Olsher has this magical way of explaining big, scary things in a way that makes sense to kids without overwhelming them. The book is colorful, engaging, and actually kinda fun to read - even though the topic is serious. It doesn’t just throw out a bunch of medical facts; it walks kids through what cancer is, how treatments work, and most importantly, how their everyday life might change. It’s like a roadmap for the unknown, which is exactly what kids (and parents) need in times like this.
I especially love how it encourages open conversations about feelings. It reassures kids that it’s okay to feel scared, confused, or even mad - and that no matter what, they’re not alone.
If someone in your family has cancer and you’re wondering how on earth to explain it to your child, grab this book. It’s a lifesaver!
LJKingReviewed in Canada on November 1, 20244.0 out of 5 stars It's ok
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