James Preller is the author of the popular Jigsaw Jones mystery books, which have sold more than 10 million copies since 1998. He is also the author of Bystander, named a 2009 Junior Library Guild Selection, and Mighty Casey, his own twist on the classic poem, "Casey at the Bat." In addition to writing full-time, Preller plays in a men's hardball league and coaches Little League. He compares coaching kids to "trying to hold the attention of a herd of earthworms." He lives in Delmar, New York, with his wife, three children, cats and dog.