This is a soft-cover December 1956 booklet (see picture) entitled HONEYWELL RESIDENTIAL CONTROLS HANDBOOK, including thermostats, limit controls, and switching relays. It is labeled as Volume 1. This also includes a separate one-page (printed on both sides) THERMOSTAT HEATER SELECTOR, dated April 1954. This handbook is clean and intact, exhibiting little wear or creasing from handling and storage over the past 66 years. There is no handwriting in either publication. It would make a nice addition to your own collection, or it would make a wonderful gift for that Honeywell enthusiast or vintage handbook collector in your life! Postage is .50. And, of course I'll combine postage on multiple purchases. Sorry, NO international shipping. Be sure to check the other items in my eBay store, too!