All items are offered subject to prior sale. All items are guaranteed as described. We are willing to hold items for seven days. Items for any reason unsatisfactory may be returned within ten days of receipt, with prior notice. Any returns must be well packaged and sent in a traceable manner. Additional insurance is not required for a return shipment. We accept checks (in U.S. currency) and wire transfers. Connecticut residents please add appropriate sales tax. Payment in advance is required for first time clients. We can offer deferred billing to institutions. Shipping is not included in the book price. Minimum domestic ground shipping is $5.00, with larger orders at cost. International air and surface shipments at cost. Title to all material remains with Athena Rare Books, Inc. until receipt of payment in full.