- Use promo code PRIMEBOOKS18 to save $5.00 when you spend $20.00 or more on Books offered by Amazon.com. Enter code PRIMEBOOKS18 at checkout. Here's how (restrictions apply)
Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required.
To get the free app, enter your mobile phone number.
The Primal Key (The Plight of the Plexus) (Volume 1) Paperback – August 15, 2016
See the Best Books of 2018 So Far
Looking for something great to read? Browse our editors' picks for the best books of the year so far in fiction, nonfiction, mysteries, children's books, and much more.
Special offers and product promotions
If you buy a new print edition of this book (or purchased one in the past), you can buy the Kindle edition for only $2.99 (Save 57%). Print edition purchase must be sold by Amazon. Learn more.
For thousands of qualifying books, your past, present, and future print-edition purchases now lets you buy the Kindle edition for $2.99 or less. (Textbooks available for $9.99 or less.)
Top customer reviews
There was a problem filtering reviews right now. Please try again later.
Kids reading this book will learn a great deal about history, art and science. More important, they’ll learn about themselves. The book is very well researched. We checked out facts on the internet.
I plan to buy several more as Christmas gifts.