Twelve-year-old Diana's much-anticipated visit with her best friend, Princess Sakina, turns into an adventure as they face a booby-trapped island, a forbidden visitor, and a demon.

AISHA SAEED is the New York Times bestselling author of Amal Unbound and Yes No Maybe So (co-authored with Becky Albertalli). She is a Pakistani American writer, teacher, and attorney who is also the author of Written in the Stars, Aladdin: Far from Agrabah, and Bilal Loves Daal. She has been featured on MTV, HuffPost, NBC, and the BBC. As a founding member of the nonprofit We Need Diverse Books, she is helping change the conversation about diverse books. Aisha lives in Atlanta, Georgia, with her husband and sons. Find her at aishasaeed.com and on Twitter, Instagram, and Facebook.