Ernest Pillsbury WalkerMammals of the World - Volumes 1 and 2 The Johns Hopkins University Press 1975-04-01 0801816572 / 9780801816574 3rd Hardcover New Hardcover Complete Volume I and II from 1964 published by Johns Hopkins. Includes both volumes. Due to the popularity of this item, we recommend purchasing it from Amazon.com. Amazon will offer the fastest shipping price and best quality. Every Amazon purchase is 100% refundable through Amazon's A-Z policy.