"Router Jigs and Techniques" by Patrick Spielman is a nonfiction activity book focused on power tools and toymaking. Published by Sterling Publishing Co., Inc. in 1988, this trade paperback features illustrated techniques for creating router jigs. With a historical narrative and house & home, crafts & hobbies genre, this book contains 383 pages and is a valuable resource for woodworking enthusiasts looking to enhance their skills with power tools.