Hanne Riis Nielson,
Semantics with Applications: A Formal Introduction.
Wiley Professional Computing, (240 pages, ISBN 0 471 92980 8), Wiley, 1992.
It is in fact mildly misleading that the collections are called "lecture" since a few collections are too short for a lecture (being supplemented by other material on the blackboard) and a few are too long (being split over lectures). However, the entire collection of transparencies have been used for about 26 lectures of 45 minutes each.