The 12th edition of Frommer's Switzerland is a comprehensive travel guide authored by Danforth Prince. Published by WILEY PUBLISHING INC. in 2006, this paperback book covers the topic of Europe / Switzerland with 500 pages of detailed information. The revised edition features updated content and is written in English, making it a valuable resource for travellers looking to explore Switzerland in depth. With a compact size of 8 inches in length, 5.2 inches in width, and 1.1 inches in height, this Frommer's guide is a practical and informative companion for any trip to Switzerland.