Specialize in nonfiction, with emphais on hard to find science, astronomy, mathematics, sociology, physics, and psychology.
Terms of sale: Money back guarantee if not satisfied with the transaction. Will hold the book for 10 days awaiting payment. Will ship FedEx. Please email for shipping charges. Personal checks made payable to Orca Knowledge Systems Inc. Accept Purchase Orders and can bill libraries and universities. Also accept credit cards through PayPal.