Angling is a term used for the art of fishing with Rod & Line, as opposed to commercial fishing with a net. One of the most popular sporting pastimes in the world.
A hugely complicated subject due to all the different types, techniques, baits, species, etc.
The NEW Encyclopedia of Fishing (DK Publishing) ISBN 0751339733
John Wilson's Fishing Encyclopedia (Boxtree) ISBN 0752219111
John Bailey's Complete guide to fishing (New Holland) ISBN 1856058379
The Compleat Angler, by Izaak Walton.