Richard Bird, Philip Wadler - Introduction to Functional Programming http://www.amazon.com/Introduction-Functional-Programming-In...

Richard Bird - Pearls of Functional Algorithm Design http://www.amazon.com/Pearls-Functional-Algorithm-Design-Ric...

Christian Queinnec - Lisp in Small Pieces http://www.amazon.com/Lisp-Small-Pieces-Christian-Queinnec/d...