The definitive reference guide "The Machinery's Handbook" is available to rent, purchase, download or buy used on websites such as Amazon and Barnes & Noble. The latest edition as of 2015 features an updated chapter on thread and threading.
"The Machinery's Handbook" is available in many editions, the latest featuring a hardcover toolbox edition and CD-ROM. The handbook is considered the standard reference for anyone in the machinist or mechanical engineering field. It ranges in price starting at $18.89 for a 60-day rental from Barnes & Noble or $63.62 for a new hard copy. The CD-ROM version from Amazon is under $40, all as of August 2015.