Imagine a turtle that's 13 feet [4 m] long! That's just one of many surprises to be found in Swimming Giants, a book about the creatures that inhabited the world's ocean waters during dino times. In this exciting companion to Flying Giants, young readers will get a glimpse into the steamy world of long ago where some fish, such as the Shonisaurus, were over 50 feet long [15 m] and had spine bones the size of dinner plates! The simple text and colorful illustrations will help kids learn about the similarities between these ancient swimmers and modern-day animals. Developed by literacy experts, Swimming Giants features controlled text with appropriate vocabulary, grammar, and sentence structure for emergent readers.