Almost all titles deal with both concepts and practice. To reduce the end costs to users, they are sold mainly by mail order, at trade prices. Orders Consignments are mailed within a week of receiving your order, and usually sooner. Add time for delivery by surface mail to estimate the total time to fill your order. You can pay in advance by credit card, or by cheque or money order when you receive the publications.
Most publications are short-run, revised frequently.
If you order a publication which has since been revised, we will forward the later version and charge the revised price unless advised otherwise.