Radial Arm Refinements Radial Arm Saw Techniques by Roger W. Cliffe; Sterling Publishing Co., New York, N.Y.; 1986; 343 pages; $14.95, paperback. Fine Tuning Your Radial Saw by Jon Eakes; Lee Valley Tools, Ottawa, Canada; 1987; 106 pages; $14.95 (Canadian), paperback. (Distributed by Firefly Books, 3420 Pharmacy Ave., Scarborough, Ontario, Canada M1W 2T8; also available through Popular Science Book Club.) For the most part Radial Arm Saw Techniques provides the information and advice you might receive from your owner's manual, without being specific to any particular brand of saw. Six chapters cover a simplified introduction to the saw and its parts, controls, blades, and attachments, safety, and both basic and advanced operations. Two chapters on "useful information" and building accessories, along