Product Number Quantity Catalogue Quick Pick, the fastest way to fill your basket! Simply type the ISBN from our catalogue for each item you wish to order in the Product Number column. (Dashes between numbers are allowed, but not required.) Then indicate how many copies of each product you’d like in the Quantity column. Hit the Fill My Basket button and our system will automatically drop these items into your shopping basket. Don’t worry about making mistakes! You’ll see the name of each product in your basket and if you accidentally enter a product number that’s not in our system, we’ll let you know instantly. Dover Essentials (NEW!) Don’t miss out. We’ve created customized collections of products that sell well in stores like yours. Check out these Dover Essentials. Find out about margin-boosting special offers. Let Dover send you new customers!