here is a good commentary on The Little Schemer http://www.streichholzschächtelchen.de/rcl/intro.html
Name:
Anonymous2012-08-01 9:09
i have the dead tree edition
they "explain" in the typical little manner ( read: treating you like an idiot, making the process 10x more laborious than the subject matter dictates )
programming in mini-kanren without mentioning the word kanren one single time
the kanren-system is the phd thesis of one of the authors ( can't find it right now ) and it explains everything far better
disclaimer: i bought the book because i wanted to learn how to implement prolog