This book is an exhaustive work on the subject of repertory and has been written in most comprehensible language which has made it so popular amongst students and practitioners alike. In this book all the repertories be it classical, modern and regional are well explained with its history, philosophy, construction, advantages, utility of repertory, how to use it etc. The book also explains the laws and philosophy of homeopathy and methodology of case taking and working out the case. In addition, there is a separate section devoted to biographies of stalwarts. It's a complete package for students and practitioners on repertory and its usage. Fifth Edition comes with added features - More logical arrangement of chapters, New topics added like - Jahr's repertory, Father Muller Repertory, Revision and addition to topics - Case taking, biographies, Factual details added and upgraded.