Groovy Joe is back, and this time he's singing a groovy rendition of a favorite preschool song! Are you ready to sing along? "If you're groovy and you know it,the things you do will show it! #1 New York Times bestsellers Eric Litwin (Pete the Cat: I Love My White Shoes) and Tom Lichtenheld(Goodnight, Goodnight, Construction Site) are back, and adding a groovy twist to the classic children's song "If You're Happy and You Know It." This story will have little ones singing, dancing, and grooving along to a new favorite beat. Signature rhyme, repetition, and musical writing style, combined with wild and witty illustrations, come together to create a character that will have you singing all day long. Groovy Joe is back, ready to get groovy!