Winslow, a young whale, is different from other whales because he has three red hearts on top of his head. He asks his parents why they are there, but they tell him that only he will be able to figure that out.
An illustrated survey of 33 species of whales describing their dimensions, habitats, habits, courting rituals, intelligence and their relationships with each other and with other creatures.
On a whale watch trip with her class off the coast of Cape Cod, Isabel, who has always had an affinity for whales, falls overboard and discovers as she finds herself swimming underwater with whales all around her that she is one of the Chosen who can change shape from human to whale and back again.