What are my sales? (details) Which titles are selling? What are my sales vs. returns for each customer?

What are my revenues? Billing Statements Statement of Unpaid Invoices Receivables Account Balances Who owes me money?

What are my expenses? Title Earnings Statements
(Royalty, Consignment, etc.) Commission Statements
(Sales Rep Earnings) Payables Account Balances To whom do I owe money?

Where is my inventory? What is the inventory history by title? What is my Cost of Goods Sold?

What marketing efforts performed best? Which customer categories were best for sales? Customers by title purchased