Suzanne Collins is the author of the bestselling Underland Chronicles series, which started with Gregor the Overlander. Her groundbreaking young adult novels, The Hunger Games, Catching Fire, and Mockingjay, were New York Times bestsellers, received wide praise, and were the basis for four popular films. She returned to the world of Panem with The Ballad of Songbirds and Snakes. Year of the Jungle, her picture book based on the year her father was deployed in Vietnam, was published in 2013 to great critical acclaim. To date, her books have been published in fifty-three languages around the world.