Hardcover. The Pennsylvania Academy of Science, 1st, 2010, Book: Very Good, Dust Jacket: Very Good, Hardcover in a bright dust jacket. Brings together in one volume a comprehensive overview of Pennsylvania's avian communities, current and emerging conservation issues, and the specific contributions Pennsylvania biologists, avian ecologists, and conservationists have made to the science of ornithology. Clean.

Hardcover. Cambridge MA, Harvard University Press, 1st, 2005, Book: Very Good, Dust Jacket: Very Good, Hardcover, pages. Dr. Piotr (Peter) Naskrecki is a Polish-born entomologist, photographer and author, currently at the Museum of Comparative Zoology, Harvard University (Cambridge, MA, USA.) His research focuses on the evolution of sound-producing insects, and the theory and practice of nature conservation. As a writer, Piotr strives to promote appreciation and conservation of invertebrate animals - insects, arachnids, and their kin - by capturing both their beauty and roles as vital, often critically important members of the Earth's ecosystems. Piotr Naskrecki is a master photographer and an enormously knowledgeable biologist and ecologist. In this beautifully printed book, he captures the finer details of the some of the unusual animal life and adaptations that you find in tropical rain forests, savannas, and deserts. He also provides well written, informative supporting text.