Usborne Slider Sound Books Moo!

Sam Taplin Board Book Series: Slider Sound Books JUVENILE NONFICTION/Animals / Farm Animals Move each slider and you'll see a farm animal and hear the sound it makes... but that's not all! Move the same slider back again and you'll see and hear a different animal. Children will love discovering all the surprises hiding in the sliders as the cows, pigs, sheep and hens get noisy on the farm.