Fairies, butterflies, and magic help to make this math-focused board book from Danica McKellar, the New York Times bestselling author of Goodnight, Numbers and star of The Wonder Years , positively enchanting! Join ten flower friends for a night of excitement that mixes a little math with a lot of magic. As each flower turns into a butterfly, children will discover different ways to group numbers to create ten, an essential building block of math, all while watching each flower's dream come true. (And keep an eye out for the adorable caterpillar who wishes he could fly, too!) In this, the second book in the McKellar Math line, actress, math whiz, and New York Times bestselling author Danica McKellar once again sneaks in secret addition and subtraction concepts to help make your child smarter and uses her proven math success to show children that loving numbers is as easy as a wave of a wand and a BING BANG BOO! "[Danica McKellar's] bringing her love of numbers to children everywhere." -- Brightly on Goodnight, Numbers "Danica McKellar is now on a mission to make math fun for even the youngest of kids." -- L.A. Parent Magazine Don't Miss Even More Math Fun in Bathtime Mathtime !.