First field guide to the singing giant of the ocean a first field guide to the singing giant of the ocean Humpback whale：a first field guide to the singing giant of the ocean First field guide to the big-eared giant of the Savannah a first field guide to the big-eared giant of the Savannah First field guide to the big cat with the stripes a first field guide to the big cat with the stripes A first field guide to the wild dog from the wilderness First field guide to the ocean reptile from the tropics a first field guide to the wild dog from the wilderness