PRAISE FOR WHO IS THE MYSTERY READER? "Willems' cartoony characters are as goofy and appealing as ever . . . The clueless squirrels fail to uncover the mystery readers' identities, but beginning readers will certainly puzzle this out as they are enjoying comic conventions (speech bubbles, panels, varied font sizes, etc.) and frequent metafictive asides. Smart, sassy, and laugh-out-loud fun; Willems remains at the top of his game."—
Booklist