9780738714462 | Cdr edition (Llewellyn Worldwide Ltd, September 1, 2008), cover price $16.95 | About this edition: Yoga nidra is a life-changing technique practiced by sages and yogis for thousands of years.

9780817631093 | Birkhauser, April 22, 1994, cover price $59.95 | About this edition: The first of a series of three volumes surveying the theory of theta functions and its significance in the fields of representation theory and algebraic geometry, this volume deals with the basic theory of theta functions in one and several variables, and some of its number theoretic applications.

9780805803983 | Psychology Pr, February 1, 1990, cover price $85.00 | About this edition: Volume eight in this highly acclaimed series discusses the behavioral approaches to pattern recognition and concept formation in two sections: categories and concepts in birds, and shape and form.

9781850970064 | Quintessence Pub Co, June 1, 1988, cover price $50.00 | About this edition: This book has been written to meet the needs of both undergraduates, who need to learn about endodontics in a simple and systematic manner, and of general practitioners who will, from time-to-time, wish to revise and update their knowledge.

9780875425474 | Llewellyn Pubns Audio, September 1, 1985, cover price $9.95 | About this edition: This is a mental reconditioning tape, utilizing both Western and Eastern Techniques of tension release and fractional relaxation.

9780896360679 | Accent Pubns, June 1, 1981, cover price $8.99

9780960567003 | Ananse Pr, December 1, 1980, cover price $7.95 | About this edition: This book is for the general reader who, hopefully, will gain an idea of what life was like for the 19th century Aframerican in Seattle.

9780448133768 | Putnam Pub Group, June 1, 1977, cover price $3.99

9780837168913 | Greenwood Pub Group, July 1, 1973, cover price $35.00

9780231019033 | Columbia Univ Pr, June 1, 1960, cover price $49.00 | also contains Single Variable Calculus | About this edition: Lewis Mumford (1895-1980), architectural critic, city planner, cultural historian, and philosopher, was the author of more than 30 books, many of which expounded his views on the perils of urban sprawl and a society obsessed with "technics: "Featuring a new introduction by Casey Blake, this classic text provides the essence of Mumford's views on the role of technology and the arts in modern culture.