FREE chapter-by-chapter Educator's Guide for The Secret Notebook, a 224-page mystery, is about an inventive 6th-grader named Riley Green (book must be bought separately wherever books are sold: Amazon, B&N, Target). Riley is certain her lie detector pen will improve her status in a school full of kids from the most powerful families of Washington, D.C. But her plan collapses when her invention idea is stolen, her favorite teacher goes missing, and mysterious threats begin to appear around th