Chris Raschka is the illustrator of The Hello, Goodbye Window, which was awarded the Caldecott Medal. He is also the illustrator of the Caldecott Honor Book Yo! Yes?; Charlie Parker Played Be Bop; Mysterious Thelonious; John Coltrane’s Giant Steps; Can’t Sleep; In the City; and The Magic Flute. He lives with his wife and son in New York City.