AnyBook Level 4 is a full-featured business program for small and medium sized publishers. It has all of the features of Levels 1, 2 and 3. Those features include the ability to generate invoices and billing statements, keep track of inventory, handle returns, produce sales reports, record customer payments, track consignment items, create customer mailing lists, calculate shipping weights, prepare bank deposit reports, process back orders.

It includes a comprehensive royalty reporting system. You can select from a complete range of calculation methods - over 235 method combinations in all.

It has the ability to process credit cards. It includes telephony features, user defined fields, a flat file utility, currency conversation, extensive and versatile export and import functions, and one of the easiest-to-use and most extensive royalty accounting systems in the industry.

The Level 4 program comes with an innovative early warning system which signals you when inventory levels fall low. Other features include the ability to calculate sales commissions, track ad campaigns, and handle variable tax rates.

Topping off an already impressive list is a comprehensive purchase order system. The Purchase order system is sold separately but is included as part of the Version 4 package.

AnyBook comes with an extensive and highly illustrated help system, sample files, and a guided program tour.