The "Mars Trilogy" is a collection of three books written by Edgar Rice Burroughs: "A Princess of Mars," "The Gods of Mars," and "The Warlord of Mars." Published by Simon & Schuster Books for Young Readers in 2012, this trade paperback edition features a total of 704 pages. The books are illustrated by Scott M. Fischer, Scott Gustafson, and Mark Zug, and the genre includes juvenile fiction, fiction, fantasy, fairy tales, action, adventure, and science fiction. The language of the books is English.