Sonia Sotomayor was born in the Bronx, New York. She earned a BA from Princeton University and a JD from Yale Law School. She served as assistant district attorney in New York County, and then as a litigator at Pavia & Harcourt. In 1991, President George H. W. Bush nominated her to the US District Court, Southern District of New York. In 1997, President William Jefferson Clinton nominated her to the US Court of Appeals for the Second Circuit. President Barack Obama nominated her as an Associate Justice of the Supreme Court on May 26, 2009, and she assumed this role August 8, 2009, becoming the first Latina to ever hold such a high position. She is the author of My Beloved World, Turning Pages, The Beloved World of Sonia Sotomayor, Just Ask! Be Different, Be Brave, Be You, and Just Help! How to Build a Better World.  

Lulu Delacre (www.luludelacre.com) has been writing and illustrating children's books since 1980. Born and raised in Puerto Rico to Argentinean parents, Delacre is a three-time Pura Belpré Award honoree. Her thirty-eight titles include Arroz con Leche: Popular Songs and Rhymes from Latin America; Us, in Progress: Short Stories About Young Latinos; and ¡Olinguito, de la A a la Z! Descubriendo el bosque nublado/Olinguito, from A to Z! Unveiling the Cloud Forest. Delacre has lectured internationally, served as a juror for the National Book Awards, and exhibited her work at The Eric Carle Museum of Picture Book Art, among other venues.