While we're posting Amazon links, http://www.amazon.com/Art-Computer-Programming-Combinatorial-Algorithms/dp/0201038048 http://www.amazon.com/Art-Computer-Prog

While we're posting Amazon links, http://www.amazon.com/Art-Computer-Programming-Combinatorial-Algorithms/dp/0201038048 http://www.amazon.com/Art-Computer-Programming-Combinatorial... has a fascinating 200+ page section on Boolean and bitwise tricks and techniques (Knuth: "A trick is a clever idea that can be used once, while a technique is a trick that can be used at least twice.").