The Handbook of Invertebrate Zoology, written by William Keith Brooks and first published in 1882, is a comprehensive guide to the study of invertebrates. It is a detailed and thorough resource that covers a wide range of topics related to the biology and classification of invertebrates, including their anatomy, physiology, behavior, and ecology. The book is organized into sections that cover different groups of invertebrates, such as protozoa, sponges,...