Many books are at a substantial discount from

Model Engineer's Handbook. -Tubal Cain
176 pages (December 1995) Nexus Special
Interests
Paperback. ISBN: 1854861344
An essential for all model engineers.

Model Engineering. - Peter Wright
414 pages (September, 1997)
Nexus Special Interests
Paperback. ISBN 1854861522

Model Engineers Workshop Manual -
G. H. Thomas.
(January 1992) TEE Publishing.
Paperback. ISBN 1857610008

The Amateur's Lathe - L.H. Sparey
224 pages (January 1986)
Nexus Special Interests
Paperback. ISBN 0852422881
Loads of useful information.

The Amateur's Workshop -Peter Bradley
256 pages (July 1995) Nexus Special Interests
Paperback. ISBN 1854861301

The ISO System of Units: An introduction.
T. D. Walshaw. 64 pages. (August 1991) Argus Books. ISBN 1854860631

Written be Tubal Cain, this is an excellent guide to the strange world (to some of us) of Metrication.

Newnes Workshop Engineer's Pocket Book -
Roger Timings
(March 2000) Butterworth- Heinemann
Hardback. ISBN 0750647191
A very useful reference book.

The Watchmaker's and Model Engineer's Lathe - Donald de Carle
(January 1998) 5th Ed.. Robert Hale.
Hardback. ISBN 0709062001

Pattern Making, Mould and Model Making Common Skills ~
Engineering Industry Training Board -- (Paperback - September 1987)
ISBN: 0850837626