By Eileen Christelow, Author & Illustrator. Can the five little monkeys bake Mama a surprise birthday cake without waking her up? This sturdy board book edition is perfect for repeat readings. Five little monkeys wake up with the sun. Today is their mama's birthday and they are going to bake a cake. They'll have to measure the flour, mix in the right number of eggs, and get it into the oven in time for the birthday surprise— all without waking up Mama! Eileen Christelow has created an original, high-energy romp, sure to delight any child who has tried to plan a surprise. For ages 1 and up.