Kei Davis & John Hughes 
Functional Programming [PDF ebook] 
Proceedings of the 1989 Glasgow Workshop 21-23 August 1989, Fraserburgh, Scotland

Functional Programming is a relatively new area of computer science. These proceedings contain 25 papers representing an excellent snapshot of the current state of functional programming and are written by the leading computer scientists in this aera. In some universities, a functional programming language is used as the introductory teaching language and computer architectures are being designed and investigated to support functional languages.