You're in the water, and suddenly, right beside you, he is beaming brightly. You're face to face with a dolphin, one of the friendliest mammals on Earth.

Dive deep into the realm of dolphins with Flip Nicklin, one of the world's foremost photographers of these smiling wonders. Meet dolphin types, from botus to orcas to bottlenose; see how they nurse, fish, and echolocate. Nicklin's enthusiasm and the special kinship we all feel for these intelligent creatures is an inspiration to all readers to take action to help protect their ocean home.