Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Probably good for 10 years ago...

... but doesn't really touch anything the new digital shooter would be interested in. If you're shooting film and you're looking for a simple primer on low-light, it's not too bad. Be warned, however- it's a pretty basic book. Apart from a good few pages on tricks with flashlights, and one or two truely stunning photos, it's a generally pedestrian take on the subject. Digital shooters are advised to look elsewhere.