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, dan