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 Teacher's Choice award from Learning magazine, and a Seal of Excellence from the Creative Child Awards. Dahl currently lives in Minneapolis, Minnesota. Patricio Clarey was born in 1978 in Argentina. He graduated in fine arts at the School of Visual Arts Martín Malharro, specializing in illustration and graphic design. Patricio currently lives in Barcelona, Spain, where he works as a freelance graphic designer and illustrator. He has created several comics and graphic novels, and his work has been featured in several books and other publications.