ALASKA
by James A. Michener
Random House; 868 pages; $22.50
Unhook the phone! Sling the hammock!
Cast off all brunches! Alaska, James A. Michener's latest titanic adventure novel, promises to transport vacationing readers through billions of years and thousands of scenic miles. The Michener word factory can always be counted on to produce an August fact-pack, and Alaska represents the state of this honorable craft. This mother lode of incident and peril begins with woolly mammoths and the Stone Age Athapascans who crossed the straits from Siberia some 29,000 years ago and ends with daring 1980s bush pilots who bring basketball...