Books to help clients sound like experts on Swiss walking tours March 24, 1999 Share 1 -- NEW YORK -- Switzerland Tourism here recommends several books for clients interested in walking vacations. The books include: "Walking Easy in the Swiss Alps," by Chet and Carol Lipton.This 192-page book features day walks in six Alpine villages: Zermatt; Saas Fee; Champex; Kandersteg; Lauterbrunnen and St. Moritz. It also details sightseeing excursions for those areas. The book is $10, and is available at many bookstores or by mail with a credit card. Call (800) 669-0773."Walking Switzerland -- The Swiss Way," by Marcia and Philip Lieberman, describes day hikes and a selection of inn-to-inn tours in Switzerland's mountain areas. It is published by The Mountaineers Books of Seattle, and is available for $12.95 plus shipping and handling."100 Hikes in the Alps" has a section on Switzerland.It also is published by The Mountaineers Books and is available for $14.95 plus shipping and handling. Phone (206) 223-6303."Downhill Walking Switzer-land," by Richard and Linda Williams, features color photographs and itineraries for downhill walks. For the past 15 years the authors have traveled and walked the areas described. The book is available from Old World Travel Books Inc. of Tulsa, Okla., for $12 plus shipping and handling. Call (918) 493 2642."Swiss-Bernese Oberland," by Philip and Loretta Alspach, is for travelers to the mountains, lakes and villages of Interlaken, Grindelwald, Wengen, Murren and Kandersteg.Ten trips and four excursions are described in the 104-page book, with 40 color pictures and 12 color maps, including nine walks, three lake steamer trips and mountain routes by train, funicular and cable car. The Alspachs also cover the food and wine of the region. It is available from Intercon Publishing of Irvine, Calif., for $16.95 plus shipping and handling. Phone (949) 955-2344.