The first two chapters of Structure and Interpretation of Computer
Programs (it's free):

http://mitpress.mit.edu/sicp/full-text/book/book.html

Anyway, in the book The Ruby Programming Language, there's a section about
"Functional Programming" in chapter 6, "Methods, Procs, Lambdas and
Closures".


-----
Carlos Agarie

Control engineering
Polytechnic School, University of S=E3o Paulo, Brazil
Computer engineering
Embry-Riddle Aeronautical University, USA


2013/2/12 Brandon Weaver <keystonelemur / gmail.com>

> Not necessarily Ruby, but gets you in the mindset: The little Schemer
>
>
> On Tue, Feb 12, 2013 at 2:45 PM, Love U Ruby <lists / ruby-forum.com> wrote=
:
>
>> Good Books on Ruby functional programing - any reference?
>>
>> --
>> Posted via http://www.ruby-forum.com/.
>>
>>
>