A memoir of 25 years birding on the western fringes of North America, including encounters with rare Asian migrants. Attu, westernmost of the Aleutians -- and nearly 1,500 miles form the mainland, is the place to encounter never before recorded birds in North America. With an annotated checklist, color photographs and maps. Contributors include Larry Balch, Paul Baicich, John Fitchen, Paul Lehman, and Macklin Smith.  (ALA169, $35.00)