Freshwater or Salt Water? is aligned to the Common Core State Standards for English/Language Arts, addressing Literacy.RI.2.5 and Literacy.L.2.5a. Readers learn the differences between freshwater and saltwater habitats through full-page color photographs and narrative nonfiction text. This book should be paired with Freshwater and Saltwater Habitats (9781477723791) from the Rosen Common Core Readers Program to provide the alternative point of view on the same topic.