- Take an Extra 30% Off Any Book: Use promo code HOLIDAY30 at checkout to get an extra 30% off any book for a limited time. Excludes Kindle eBooks and Audible Audiobooks. Restrictions apply. Learn more.
Franklyn M. Branley was Astronomer Emeritus and former Chairman of the American Museum-Hayden Planetarium. In 1960, he originated the Let's-Read-and-Find-Out Science series. Dr. Branley was the author of over 150 science books for children.--This text refers to an out of print or unavailable edition of this title.
These Books are so amazing with the content on the subject matter! My son loves me reading the books to him!Published 3 months ago by Slider
My six-year old grandson absolutely loves this book! We even make reference to its contents when we are out shopping -"how much would this item weigh on the moon? Read morePublished 7 months ago by Ruth T. Shapiro
My 5 year old daughter loves this book and really remembers the details. It is accurate and written just perfectly to capture and hold the attention of children. Read morePublished 11 months ago by Amazon Addict
It was a good read for my 11 year old who grasped the concept of gravity better than before.
My kid started as ' Gravity a Mystery' and ended as 'Gravity as a Mystery' with nothing to learn in between. Read morePublished 20 months ago by Unbiased