 Complete the following phrase:  His major published books include Passage to Korea Marc Vérin Photographer, the Lonely Planet Korea: A Travel Survival Kit guidebook of 1997, Spirit Of The Mountains: Koreas San-shin and Traditions of Mountain-Worship Hollym, 1999 about Sanshin, The Korean Forest Culture of the Baekdu-daegan: Spiritual and Folk Heritages along Koreas Grand Tigers Spine Mountain-System in 2010 photos by Roger Shepherd, An Encyclopedia of Korean Buddhism and Solitary Sage: the Profound Life, Wisdom and Legacy of Go-un Choi Chi-won in 2006 as an Independent E-book, and hardcover on Amazon.com; it garnered positive reviews. He was the overall editor and co-author of The Colors of Korean Buddhism: 30 Icons and their Stories published by the Korean Buddhism Promotion Foundation, distributed to all participants at the 