ANNIE BAILEY is a children's author, songwriter, and mom to four boys. 10 Little Tractors and 10 Little Excavators are her first books. In 2008, Eagle Springs Records released Annie's first children's album, "There Is Joy". Annie lives in rural Idaho in a renovated farmhouse complete with her very own train car. Learn more about her work at anniebailey.com and follow her on Twitter and Instagram at @ByAnnieBailey.

JEFF HARTER is an illustrator working in books, licensing, greeting cards, editorial, and entertainment. He is also Assistant Professor of Illustration at Rochester Institute of Technology. He lives in the Finger Lakes region of upstate New York with his wife and three daughters. See more of Jeff's work at jeffharter.com and follow him on Instagram at @jeffbharter.