Book Review: Specification in B: an introduction using the B toolkit. Kevin Lano and Howard Haughton. Published by Imperial College Press and distributed by World Scientific Publishing, London, U.K., 1996. ISBN: 1-86094-018-8, 242 pages. Price: U.K. £17.00, soft cover. - Waeselynck, Hélène (Software Testing: Verification & Reliability, 1997)