"Jody has arrived in the Caribbean, and already she's made a new dolphin friend, Frida. But other dolphins there have been captured and taken to live in dirty, unhealthy conditions--just to entertain tourists! Jody is outraged. Can she help win freedom for these dolpphins?"

Mandy tries to help a dolphin in an animal park after the dolphin's partner dies.

The McGraths have arrived in Sundarbans Delta, at the mouth of the great Ganges River. There, Jody hopes to see the rare and unusual Irrawaddy dolphins. Her wish comes true when at last she spots one, whom she names Sandhi. but her world is turned upside down when she learns there are poachers around, and Sandhi is missing. Does Sandhi have a secret hiding place, or has she been caught. -- back cover.

Jody McGrath, traveling the world with her family on a dolphin research project, tries to save the dolphins of the Canary Islands from being injured by ferry boats.

Jody McGrath, traveling the world with her family on a dolphin research project, struggles to save Twister, her favorite dolphin, from the nets of a tuna boat.

Jody McGrath, daughter in a family of dolphin researchers, goes to Australia, where she encounters a beautiful dolphin that is growing sick due to the practices of a local tourist operation.

Marine researcher Melis Nemid uncovers a shocking secret in the deep sea, and soon finds herself running from a savage killer who wants to keep the past buried, forcing Melis to rely on a dangerous man with a mysterious past.

In the dangerous Sundarbans Islands off the coast of India, three people from different backgrounds find their worlds colliding after a young woman is saved from crocodile-infested waters by an illiterate fisherman.