Welcome to the Discount Bookstore, featuring books and journals published by the Informing Science Institute. Resellers and anyone else who purchases $200 or more can use the coupon code reseller to receive a 30% discount. ISI members can use their member code to receive their coupon code.  Add the items to your cart.  When you are ready to check out, click the Shopping Cart in the top right of the window and select View Cart to enter your coupon code.  (The California tax may be shown here but later removed for addresses outside California.)