Mathew Helbert ; illustrations by Robin Dean. Andrew Biel ; illustrations by Robin Dorn. Artie Bennett ; illustrations by John Nez. Harriet Ziefert ; illustrations by Emily Bolam. Marcia Bjornerud ; illustrations by Haley Hagerman. text and illustrations by Nina Govan. Christina Allen ; illustrations by Rob Shepperson. Angie Sage ; illustrations by Mark Zug. [concept and illustrations by Colin Petty]. Katherine Applegate ; illustrations by Patricia Castelao