"Poison Arrow Frogs: A Guide to Their Natural History and Care" by Ralf Heselhaus is a vintage hardcover book published in 1992 by Blandford. This first edition guide focuses on the natural history and care of poison arrow frogs, providing detailed information for enthusiasts and collectors interested in these unique animals. Written in German and part of the naturalism literary movement, the book weighs 0.66 pounds and contains 144 pages, making it a valuable resource for those passionate about animals and pets.