Tortall: A Spy's Guide
by Tamora Pierce, Julie Holderman, Timothy Lieb, and Megan Messinger

• Publication Date: October 31, 2017
• Genres: Fantasy, Fiction, Young Adult 13+
• Hardcover: 320 pages
• Publisher: Random House Books for Young Readers
• ISBN-10: 0375867678
• ISBN-13: 9780375867675