Danna Smith is a poet and award-winning author of numerous books for children, including One Blue Gnu ; Rooftop Garden ; Wake Up, Freight Train! ; and several Little Golden Books. Her nonfiction picture book, The Hawk of the Castle: A Story of Medieval Falconry , received two starred reviews and is a Junior Library Guild Selection and a Bank Street College of Education Best Children's Books of the Year. Danna currently lives in northern California, where she is hard at work on her next book. For more information about her books and teaching activities, visit her website at DannaSmithBooks.com. Jon Andersen grew up on the western slopes of the Wasatch Mountain Range with his aerospace engineer and inventor father and music and English teacher and composer mother, who always encouraged him to develop his creative talents. After studying at the Art Center College of Design, Jon designed Hallmark cards and illustrated children's books and associated products.