Wiring regs history
Old material from the FAQ
IEE WIRING REGULATIONS 16TH EDITION
By Andrew Gabriel 2/3/1998
Amendment 2 edition (1997) has a yellow cover (original 16th edition has a red cover; amendment 1 (1994) has a green cover). Also known as "Requirements for Electrical Installations" and "BS 7671:1992 Incorporating second amendment"
http://www.iee.org.uk/publish/books/wireregs.html#wireregs
290pp., 297 x 210mm, Soft covers version, ISBN 0 85296 927 9, 1997 UKP 42 / US$ 84
Ring-bound version, ISBN 0 85296 842 6, 1994 UKP 55 / US$ 110
Updates are available to bring a first amendment version up to the second amendment:
For soft covers version, ISBN 0 85296 926 0, 1997 UKP 12 / US$ 24
For ring-bound version, ISBN 0 85296 938 4, 1997 UKP 12 / US$ 24
Any bookshop should be able to order these if they don't stock them, or you can order from the IEE's web page above.