Invertebrados Fluent - Nonfiction Readers Author:Debra J. Housel, M.S. Ed. Investigate the wiggly world of invertebrates! Neither mammals nor reptiles, these animals are in a class all their own. This book provides captivating photographs to help illustrate the defining features of these animals and bring to light the mysterious world of these one-of-a-kind creatures. A language arts connection is made with the vocabul... more »ary related to invertebrate body parts, body functions, and life cycles.« less