I've got Donna Kooler's Encyclopedia of Knitting and it really is good. I got it mainly for the Fair Isle chapter so I could start learning to knit with more than one color (it helped a lot). And anything by Elizabeth Zimmerman is pure gold.
Knitting to keep my sanity. It's working... kinda...
OTN: Dr Watson's Cable Crew Neck
OTN: Writer's Cardigan