The actor and LGBTQ advocate (who identifies as gender fluid and prefers he/him pronouns in writing) has revealed the cover of his debut picture book, Olivette Is You, exclusively with PEOPLE. The book, illustrated by Melissa Kashiwagi, is forthcoming next fall from Random House Books for Young Readers.

Read the full story: People.

Photo c/o GRACE RIVERA; JACKET ART BY NICO TORTORELLA, JACKET ILLUSTRATIONS BY MELISSA KASHIWAGI, JACKET DESIGN BY NICOLE GASTONGUAY