I have that book. But I also think I have allready told someone on this forum about it. You may find the message through the search...
Anyway, it uses Java to program the robot, it uses a Via Epia motherboard and Gentoo Linux. There is voice recognition but not webcam vision. It uses a AVRcam for color blob finding, so I was dissapointed. It is good to read it, perhaps try at a local library.