Bruce Chatwin's "Songlines."

Book critic John Leonard says many of the conclusions about indigenous culture in Bruce Chatwin's The Songlines are wishful thinking. But that doesn't mean the book isn't a great read.

Travel writer Colin Thubron. His new book about his travels In the heart of Siberia Is "In Siberia" (HarperCollins). It's the third In his trilogy on the Russian landmass which Includes "Where Nights Are Longest" and "The Lost Heart of Asia." Thubron has also written books on the Middle East, China, and Central Asia.

Paul Theroux ("Thuh-RUE") is no ordinary travel writer: his books are about exotic voyages, some by train, and others by foot. His work includes "The Great Railway Bazaar," "The Old Patagonian Express," and "The Kingdom By The Sea." He's also a novelist, perhaps best known for "The Mosquito Coast," which became a film starring Harrison Ford. In his latest book, " The Happy Isles of Oceania," Theroux explores the far-off Pacific Islands, traveling from island to island in a one-man, collapsible kayak.