Browse Top Lists Blog Fern Picks About

Loading...

Firefly & Fern

The right book changes everything.

Independent book recommendations for young readers ages 0-18.

Discover

Browse
Fern Book Finder
Top Lists
New Arrivals
Age Groups

Resources

Blog
Age Guide
Newsletter

Company

About
Contact
Privacy
Terms

2026 Firefly & Fern. All rights reserved.

Firefly & Fern is an independent platform. We are not affiliated with any publisher. We use affiliate links — when you buy through our links, we may earn a small commission at no extra cost to you.

Theme

marine life

Books about marine life for readers of all ages.

Cover of Sharks

Sharks

Jen Green

Ages 9–12naturemarine life

Cover of Sea surprise

Sea surprise

Leo Landry

Ages 4–8friendshipmarine life

Cover of Octopus alone

Octopus alone

Divya Srinivasan

Ages 3–7bashfulnessfriendship

Cover of Dolphin in the deep

Dolphin in the deep

Ben M. Baglio

Ages 8–12animalsmarine life

Cover of In the big blue sea

In the big blue sea

Sheila Sweeny Higginson

Ages 3–7naturemarine life

Cover of Wild ocean

Wild ocean

Matt Dembicki

Ages 8–14ocean conservationmarine life

Cover of Orca

Orca

Jbercome Julienne, Renbee Le Bloas

Ages 7–12marine lifeanimals

Cover of Jellyfish

Jellyfish

Elaine Landau

Ages 7–9marine lifeocean ecosystems

Cover of Sea squares

Sea squares

Joy N. Hulme

Ages 4–8mathematicsmarine life

Cover of The magic school bus gets crabby

The magic school bus gets crabby

Kristin Earhart, Joanna Cole, Carolyn Bracken

Ages 5–9science explorationmarine life

Cover of Destination

Destination

Jonathan Grupper

Ages 4–10marine lifeocean ecosystems

Cover of The life cycle of a whale

The life cycle of a whale

Bobbie Kalman, Karuna Thal

Ages 5–10naturelife cycles

Cover of Katie K. Whale

Katie K. Whale

Suzanne Tate

Ages 4–8marine lifeanimals

Cover of Skippy Scallop

Skippy Scallop

Suzanne Tate

Ages 3–8marine lifenature

Cover of Lindie Lobster

Lindie Lobster

Suzanne Tate

Ages 3–8marine lifenature

Cover of Pairs!

Pairs!

Smriti Prasadam-Halls

Ages 2–5matchingobservation

Cover of Grand prize winner!

Grand prize winner!

Steve Heinrich

Ages 4–8competitionmarine life

Cover of Gone Wild

Gone Wild

David McLimans

Ages 4–8natureconservation

Cover of Undersea homes

Undersea homes

Althea.

Ages 4–8naturemarine life

Cover of SpongeBob SquarePants survival guide

SpongeBob SquarePants survival guide

David Lewman

Ages 6–12humorfriendship

Cover of Rub-a-dub sub

Rub-a-dub sub

Linda Ashman

Ages 3–7adventureexploration

Cover of The island

The island

John Heffernan

Ages 3–7happinessnature

Cover of Oliver and the Sea Monkeys

Oliver and the Sea Monkeys

Philip Reeve, Sarah McIntyre

Ages 6–10adventureexploration

Cover of Octonauts and the electric torpedo rays

Octonauts and the electric torpedo rays

Varios

Ages 4–8adventureexploration