Michael Dahl is the prolific author of the bestselling Goodnight, Baseball picture book and more than 200 other books for children and young adults. He has won the AEP Distinguished Achievement Award three times for his nonfiction, a TeacherÕs Choice award from Learning magazine, and a Seal of Excellence from the Creative Child Awards. Dahl currently lives in Minneapolis, Minnesota.;Sara Torretta lives and works in Milan, Italy. She attended the Milan Comic Strip Academy (Accademia del Fumetto, Milano), graduating in 2001 as an illustrator. Her work can be seen on greeting cards, posters, and wrapping paper, as well as in books. She deeply loves her job and believes in creating new styles of artwork for each project.