In the Marquesas Islands, Jody sees a large group of spotted and spinner dolphins. She meets Lew and Monique and sees the operation of a dolphin friendly tuna boat.

After their parents are declared dead, Leo and his brother Hollis are taken in by a wealthy but distant step-uncle, and when, on his thirteenth birthday, Leo acquires the ability to hear sounds from the past when touching certain objects, he tries to use the skill to rescue a dolphin, whatever the cost.

Katie's vacation aboard a cruise ship with on-deck miniature golf, a chance to swim with dolphins, and her best friend Suzanne along, sounds wonderful, but the magic wind throws everything off-course when it turns her first into a dolphin and then into a renowned chocolate chef.

After thirteen-year-old Milos helps rescue a sailor in the open sea beyond Dinotopia's coral reef, he and some dolphins become involved with the young man's efforts to return home.

Jody has arrived in the South American rain forest, desperate to see some botos- amazing, bubble-gum-pink river dolphins. She has heard that when the river floods the forest, these magical creatures can be seen swimming between the trees!

"Jody can't believe her dolphin voyage has begun. A whole world of discovery awaits her abord the Dolphin Dreamer. But an unexpected passenger threatens to spoil the trip of a lifetime. And when a sudden storm puts Jody's life in danger, who can she turn to for help?" -- cover [p.1]

Mandy's been spending most of her Florida vacation at the local animal park, playing with two tame dolphins, Bob and Bing. The dolphins are happy performing together, but when Bob dies, Bing seems lonely and depressed. Mandy and her friend, Joel, worry about Bing's future. They come up with a daring plan to set him free.

Seaside Sanctuary Marine Wildlife Refuge in South Carolina has a wild pen which is supposed to be healthier for the marine animals brought there, but the three new dolphins are getting sick and no one can explain why; Elsa Roth, whose parents work at the sanctuary, is convinced that a local chemical plant is to blame, but since the water tests do not show contamination she is having trouble getting the adults to believe her--and if she is going to...