Instruct: Classify Amazon reviews into positive or negative sentiment
Query: digital photo. a small field guide

If you're starting in digital photography, this makes a good field guide.It's paperback sized and fits in you're back pocket or in a med. sized camera case.This book covers all the basics plus some other tips and tricks that are good to know with digital.If you're switching from SLR to dig. SLR or just haven't shot any thing in a while it's a good book to have on hand.