Fresh-Water Invertebrates of the United States: Protozoa to Mollusca

The book is in good condition with a sturdy hardcover binding. There is no dust jacket, and the cover shows minimal wear. The pages are clean and free from inscriptions, signatures, or library markings, ensuring a neat and well-preserved copy for study or collection.

Fresh-Water Invertebrates of the United States: Protozoa to Mollusca, authored by Robert W. Pennak, is a comprehensive guide published by John Wiley & Sons, Inc. in 1989. This third edition, published in New York, continues to serve as an essential reference for biologists and researchers interested in freshwater invertebrates. Pennak, an Emeritus Professor of Biology at the University of Colorado, brings his extensive expertise to this work, making it a valuable resource in the field of zoology. This edition is distinct for its detailed coverage of protozoa to mollusca, providing insights into their biology and ecology. The book's hardcover format ensures durability, although it does not include a dust jacket. Notably, this edition is not a first edition but remains a critical text for those studying freshwater ecosystems. The book is in good condition, with no inscriptions or library markings, making it a clean copy for collectors and researchers alike.