No part of any publication or audio-visual product may be used or reproduced in any manner whatsoever without written permission except in the case of brief quotations. In all cases of citation, appropriate acknowledgment must be given. All publications are also available on standard-size audio cassette for people with visual impairment. Please call for discount rate available on large orders. Allow six weeks for delivery.
Prices are subject to change without notice.
Postage and handling charges will be deducted from refunds on any materials returned. All requests for refunds must be made within 30 days of receipt of materials.