It's Steve and Maggie! Let's learn and play! Today is Maggie's birthday, and she and her friend Steve are going to bake a very special birthday cake. Steve and Maggie shop for cake ingredients, try on party costumes, and decorate the house with streamers and balloons. But when Maggie's exuberance spills all the cake supplies, it looks like her birthday might be doomed. Luckily, Maggie's feathered friends arrive just in time to save the day with a very special birthday surprise! This funny, bright, and bold picture book is just the thing for fans of YouTube stars Steve and Maggie.