The following books can't teach you the technique, as they are no substitute for the psycho-physical experience you will get in a lesson. However, you might find them interesting as an introduction or helpful to understand your process of learning.

Books by Frederick Matthias Alexander
Man's Supreme Inheritance (1910)
(Mouritz, 2002, ISBN 0-9525574-0-1)

Constructive Conscious Control of the Individual (1923)
(Mouritz, 2004, ISBN 0-9543522-6-2)

The Use of the Self (1932)
(Orion, 2001, ISBN 0-75284-391-5)

The Universal Constant in Living (1941)
(Mouritz, 2000, ISBN 0-9525574-4-4)

Articles and Lectures
(Mouritz, 1995, ISBN 0-9525574-6-0)


Biography
Michael Bloch
F. M. The Life of Frederick Matthias Alexander,
Founder of The Alexander Technique
(Little, Brown, 2004, ISBN 0-316-86048-4)


Introductory
Michael J. Gelb
Body Learning. An introduction to the Alexander Technique.
(Aurum Press, 2004, ISBN 1-85410-959-6)

Glynn Macdonald
Illustrated Elements of the Alexander Technique. A practical program for health, poise and fitness.
(Element, 2002, ISBN 0-00-713385-5)

Robert Macdonald and /Caro Ness
Secrets of the Alexander Technique.
(DK, 2001, ISBN 0-7513-1205-3)

Elizabeth Langford
Mind and Muscle. An Owner's Handbook.
(Garant, 2001, 90-5350-883-X)

Joe Searby
Live Better: Alexander Technique.
(Duncan Baird Publishers, 2007, ISBN 978-1-84483-389-4)


Scientific
Wilfred Barlow
The Alexander Principle. How to use your body without stress.
(Orion, 2001, ISBN 0-75284-390-7)

Frank Pierce Jones
Freedom to Change. The Development and Science of the Alexander Technique.
(Mouritz, 1997, ISBN 0-9525574-7-9)

Raymond A. Dart
Skill and Poise. Articles on Skill, Poise and the F. M. Alexander Technique.
(STAT Books, 1996, ISBN 0-9519304-5-1)


The F. M. Alexander Technique applied
Deborah Caplan
Back Trouble - A new approach to prevention and recovery based on the Alexander Technique.
(Triad Publishing, Florida, 1987)

Steven Shaw
Master the Art of Swimming - Raising your performance with the Alexander Technique.
(Collins+Brown, 2006)

Malcolm Balk and Andrew Shields
Master the Art of Running - Raising your performance with the Alexander Technique.
(Collins+Brown, 2006)

Jane Heinrich
Voice and the Alexander Technique - Active Exploration for Speaking and Singing (includes CD with the vocal exercises described in the book).
(Mornum Time Press, 2004)

Ilana Machover, Jonathan Drake and Angela Drake
The Alexander Technique Birth Book. A guide to better pregnancy, natural birth and parenthood.
(Mouritz, 2006)