Books like Dolphin School #1 Pearl's Ocean Magic by Cathy Hapka

Join Alex and Emma on an exciting adventure exploring the magical ocean world!

A thrilling adventure about a baby dolphin saved by a young girl and her sailing team, with environmental themes and marine conservation.

After their parents' death, Leo and Hollis are taken in by an uncaring uncle, and when Leo discovers the ability to hear sounds from the past, he uses his new skill to save a dolphin.

During a summer on a small island, teenage Vicky Austin mourns her grandfather’s illness while navigating new friendships and romantic tensions, discovering that dolphins may hold the key to healing her heart.

Princess Clarabel and her Rescue Princesses set out to heal a wounded dolphin in the waters of Ampali Island before a looming storm threatens the island.

Electra, the nine-year old mermaid with legs instead of a tail is back and in search of even more adventure! It's New Year on Mermaid Island. Every year a young Queen of the New Year is chosen and Electra is desperate for it to be her! So she might get chosen, Electra and her dolphin friend, Splash, decide to swim over to the grotto to help the grown-ups decorate it for the New Party. But Electra and Splash get carried away and make a BIG mess in the grotto. Sent away to behave, the two of them discover tunnels at the back of the grotto which lead to the deep sea. All the tunnels are safely blocked up except one. Electra and Splash try and tell the adults but they are too busy fixing the mess to listen! So when a group of sharks swim down the tunnel and threaten to eat everybody it's up to Electra and Splash (and a giant ink squirting squid) to save the day!

When Annie spots a dolphin trapped in fishing line in the cove near her house, she rushes to free him. Everyone cheers when she returns to shore, but only Annie knows that she and the dolphin have forged a special bond. He's become her friend -- and keeps returning to the cove to visit and play!