Deborah Marcero is the author and illustrator of the bestselling picture books In a Jar and My Heart Is a Compass. She also illustrated The Boy Whose Head Was Filled With Stars: A Life of Edwin Hubble by Isabelle Marinov and Twinderella by Corey Rosen Schwartz. Learn more at deborahmarcero.com and follow her on Twitter and Instagram @deborahmarcero.