E. Lock­hart is the author of the #1 New York Times best­seller We Were Liars and a bunch of oth­er nov­els, includ­ing Again Again and Gen­uine Fraud. She writes books for young read­ers under the name Emi­ly Jenk­ins and her pic­ture book All-of-a-Kind Fam­i­ly Hanukkah won the Syd­ney Tay­lor Award. Whis­tle is her first graph­ic novel.