National Geographic Readers: Alien Ocean Animals (L3)

Where Is Niagara Falls?

National Geographic Readers: Coral Reefs

Fish for Kids: A Junior Scientist's Guide to Diverse Habitats, Colorful Species, and Life Underwater

Clam-I-Am! All About the Beach (The Cat in the Hat's Learning Library)

Marine Science for Kids: Exploring and Protecting Our Watery World, Includes Cool Careers and 21 Activities (66) (For Kids series)

Down, Down, Down: A Journey to the Bottom of the Sea

Mysterious, Marvelous Octopus!

Water Land: Land and Water Forms Around the World

Ranger Rick: I Wish I Was an Orca (I Can Read Level 1)