O Books is a publishing company and prefers that orders be placed through Small Press Distribution. However, individual prepaid orders (including postage and handling charges of $3.00) can also be sent by mail to:

O Books
Box 5038
Berkeley, CA 94705

"Please note O Books is no longer located at 5729 Clover Drive, Oakland, CA 94618-1622. The O Books address printed in the back of all O books published before 2007 is now invalid."

or orders can be faxed to (510) 601-9588.
O Books cannot accept returns except from major accounts and then only with prior authorization by facsimile.