One-of-a-Kind Tool Speeds Mechanical Design Work Designers at all levels of experience need a handy, comprehensive reference that helps them get the job done faster… and better. Machine Designers Reference by J. Marrs fulfills the need, and then some. This hardcover 716-page volume benefits from the author's 20 years of experience as a working mechanical designer. The result is 12 chapters organized in a very practical way (click the TOC button, above)....