A convenient, 8-panel waterproof card illustrating 50 species of whales, dolphins, sea otters and pinnipeds found in the North Pacific from Alaska and the west coast of North America to Hawaii. It's handsomely illustrated, and includes full-color panels with typical behaviors, whalewatching guidelines and identification tips. Co-sponsored by the Alaska Whale Foundation and the University of Alaska Sea Grant Program, It's an excellent, weatherproof identification guide.  (ALA143, $8.95)