Mariana Ruiz Johnson has created over a dozen picture books, including While You Are Sleeping (Chronicle), Run, Little Chaski! (Barefoot), and I Know a Bear (Schwartz & Wade). The daughter of two illustrators, she decided to make art her passion as well. Mariana lives in Argentina. Follow her on Instagram @marianaruizjohnson or visit her website at marianaruizjohnson.wordpress.com.