The present volume by the author is based on the outcome of extensive explorations in the Himalayas for more than a decade. It incorporates the original research findings along with that based on literature survey. It is intended to provide a comprehensive account of an important group of fungi which has a direct bearing on wood industry and forest ecosystem besides commercial application in bioremediation and pollution control. It is the first step in providing the mycologists with consolidated, systematically up-to-date and illustrative monograph of wood-rotting fungi of Himalayas. Every year the students of the post graduate colleges and universities particularly Indian sub-continent go in for fungal forays to collect fungi which forms part of their course curriculum. This book will serve as a field manual for identification. The book has more than 240 color photographs and 123 plates of camera lucida drawings covering all the fungi which have been reported till-to-date from the study area.