Developmental Biology & Applied Zoology

An open college textbook that takes you from cells, genetics and evolution to animal diversity, body systems and ecology, with review questions at the end of every chapter. Hawaii's endemic species are used as examples throughout.

Alyssa MacDonald and Anuschka Faucci

A complete university zoology manual that goes phylum by phylum, from protozoa and sponges to birds and mammals, with 320 illustrations. Use it alongside lectures or lab work to see how each animal group is built and how it lives.

J. Arthur Thomson

A university course in 12 units covering cell types, DNA, cell division, taxonomy and zoological nomenclature, the origin of life, ecology, biodiversity, immunity and lab instruments. Each unit ends with self-assessment questions.

Uttarakhand Open University

A clear first book of zoology that explains how animals feed, grow, reproduce and adapt to their surroundings. A good starting point if you are new to the subject.

David Starr Jordan and Vernon L. Kellogg

The classroom edition of a landmark zoology text, organized group by group with detailed anatomy and clear illustrations. Read it to understand how each major animal phylum is structured.

T. Jeffery Parker and William A. Haswell