Deborah Marcero is the author and illustrator of the picture book bestsellers In a Jar, which was called "stunning" in a starred review from Kirkus Reviews and "beguiling" by the Wall Street Journal; Out of a Jar, which was an Entertainment Weekly Best Book of the Year and was called "simultaneously simple and profound" in a starred review from School Library Journal; and Hope in a Jar. She also wrote and illustrated My Heart Is a Compass and the Haylee and Comet series. Learn more at deborahmarcero.com and follow her online @deborahmarcero.