• August 2003 -- '2003 Edition' now available: Some corrections made Physical constants and periodic table updated. Cosmology section broadened
.
 
• May 2001 -- Second print now available, with some corrections and a 'constants summary' included on the back page of the paperback edition.

 
• August 2000 -- now available in the shops, at £12.95/$19.95 for the paperback, and  £35.00/$54.95 for the hardback.