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The President of Colophon Publishing Services is Dr. Frank Eastman.

"Our traditional mission at Colophon is to help mathematics textbook publishers execute their publishing plans by writing, editing, and producing teacher editions and ancillary publications that support student textbooks. We are now very excited about expanding our mission into electronic publishing and the development of websites for other businesses. I wish to thank all of our clients for their continued support during the 22 years Colophon has been in business."