All about the Sleepiest Sloth in the World! Sammy the sloth does nothing but ...yawn ...dream all day and ...yawn ...sleep all night. Can anything wake him up? The Animal Crackers series is back by popular demand, with an attractive and fresh new cover design. Inside, the pages have clear, easy-to-read type and fun colour illustrations throughout each book. They also include joke sections and are published in a large, child-friendly format.