Discover some of the fastest sea animals on the planet! From the giant orca to the spectacular sailfish, readers in grades 4-8 will learn how these unique creatures use their speedy skills to survive and thrive. Fast, faster, fastest! From cars to sea creatures, this fact- and image-filled series lets readers discover the fastest creatures and creations in a variety of categories. These high interest, low reading level books feature stand-alone spreads, so readers can flip pages and read in any order. Glossary words are defined on the page where they appear, boosting reader comprehension.