HappyBirthday! Today is somebody’sbirthday, but Mickey can’t figure out whose it is. Could it be Daisy’s? Perhaps he should get her a new hair bow. Maybe it’s Pluto’s, and Mickey can get him a bone. Youngreaders will have great fun following Mickey on a birthday-themed treasurehunt, peeking below the book’s lift-the-flaps to uncover clues. Happy Birthday! introduces math concepts such as size-order,patterns, and counting, while inviting children to put their imagination andreasoning skills to the test as they follow Mickey on his quest to find theperfect present for the mysterious birthday party.