During the summer her grandfather is dying of leukemia and death seems all around, 15-year-old Vicky finds comfort with the pod of dolphins with which she has been doing research. After a tumultuous year in New York City, the Austins are spending the summer on the small island where their grandfather lives. He's very sick, and watching his condition deteriorate as the summer passes is almost more than Vicky can bear. To complicate matters, she finds...

Delfina, the bottlenose dolphin, imagines what it would be like to become other sea animals.

"Hired to help the navy SEALs train their working dolphins, veterinarian Keilani Lucas inadvertently crosses a vicious drug-smuggling ring on her first day. And when her fellow trainer, Lieutenant Micah Kent, comes to her rescue, she suddenly has an around-the-clock bodyguard. But with a traitor on the inside, can Keilani and Micah expose the mole before it's too late?" -- Page [4] cover.

When Asher doesn't return from his hunt for buried treasure, Mason and Luna must befriend a pod of dolphins to uncover his whereabouts.

A baby dolphin found off the coast of Florida is brought to the Clearwater Marine Aquarium for help. There Sawyer and Hazel name her Hope and work to help her. Will Winter accept her as a friend, and will Hope's health improve?

"The Magnificent Mulligans are back, and they're learning again how to stick together, protect the vulnerable, and stand up for what's right. When Dad gets a call from a friend who needs help with a distressed dolphin, he and Lisa drive up the coast to try to help. But a big storm in the forecast is going to make this mission difficult. Meanwhile, the other Mulligans are excited about new opportunities. Julie is learning to take care of flamingoes,...

Twelve-year-old Buddy, whose dyslexia makes things difficult for her both at home and at school, hopes to rescue the dolphins that are being held captive and mistreated at a swamp farm near her home in the Everglades.