"Theodore Boone: The Activist" by John Grisham is a 2014 trade paperback book from the Theodore Boone series. Published by Penguin Young Readers Group, this juvenile fiction novel follows the adventures of a young protagonist involved in law, crime, and mystery. With a total of 320 pages, the book provides an engaging storyline for young readers interested in action and adventure. The book's compact size of 7.7 inches in length, 5.1 inches in width, and 0.8 inches in height makes it a convenient and portable read for children and teenagers."