Sheep Won't SleepBy: Judy Cox Illustrator: Nina Cuneo Counting sheep is supposed to help you sleepbut a room full of yaks, alpacas, and llamas would keep anyone awake in this counting book with a comical twist. Winner of the Mathical Book Prize! A glass of warm milk, reading, working on her knittingnothing can help Clarissa get to sleep. When even counting sheep doesn't help her doze off, she tried pairs of alpacas instead. Two, four, six . . . then llamas by fives .