What is registering and why should I do it?
Registering your manual with means you simply provide us with your name, email address, and the serial number located on the last page of your manual. This allows us to contact you with important updates to the manual as well as other useful information. In order to protect your privacy, your email address and identity will not be distributed to any other party.

What is my Serial Number?
Each copy of J.L. Cowen's O-Gauge Reference Manual is labeled with an 6-digit serial number located on the last page of the manual. Find this number and enter it in the appropriate field below to complete your registration.

Email Address:
Serial Number: