Jason Segel is an actor, a screenwriter and an author. Segel wrote and starred in Forgetting Sarah Marshall and co-wrote Disney’s The Muppets, which won an Academy Award for Best Original Song. On television, Segel starred on How I Met Your Mother and Freaks and Geeks. He is the co-author of the New York Times bestselling series Nightmares! Otherworld is his first novel for young adults.

Kirsten Miller lives and writes in New York City. She is the author of the acclaimed Kiki Strike books, the New York Times bestseller The Eternal Ones, and How to Lead a Life of Crime. Otherworld is the fifth novel Kirsten has written with Jason Segel. kirstenmillerbooks.com