Welcome to our On-Line Spine Bulk application. Our new format is now "fax-friendly". Here, you can calculate various dimensions of your book. You can also print out cover, jacket and cloth cover diagrams based on this information.

Please enter all numeric values as Decimals and not fractional values (Example: when entering a custom trim size, enter 5.5 width by 8.5 height - not 5-1/2 x 8-1/2.

We hope you enjoy the new capabilities of this program, and if you have any suggestions or comments, feel free to email them to our Website Administrator