Lots of books for the animal behaviorists this time...
Animals in translation : using the mysteries of autism to decode animal behavior ; by Temple Grandin and Catherine Johnson.. publisher: Scribner, 2005. for more info.
Ant Colony Optimization; by Marco Dorigo and Thomas Stützle. publisher: MIT, 2004. for more info.
Encyclopedia of Animal Behavior; by Marc Bekoff. publisher: Greenwood, 2004. for more info.
mind -- a brief introduction; by john r searle. publisher: Oxford, 2004. for more info.
The Genesis of Animal Play : Testing the Limits; by Gordon M. Burghardt . publisher: MIT, 2005. for more info.