Abacus used books is an online used bookstore located just outside the metro Denver area.
We have been in business for nearly ten years in Colorado. We buy books, is the simplest way to describe our business. Where as most used bookstores or buyers take trade, we actually pay for quality books in many fields.

We currently buy books in all fields including, Antiquarian ,First Editions, Sciences, Art, Theology,Antiquarian, History and Military. Abacus is also proud to have an ongoing relationship with many institutions.

If your interested in buying or selling a single book or book collection please call us today.

303-817-7349      970-310-9843


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