order book 
noun chiefly British
A book in which orders are entered as they are received by a business, especially regarded as a measure of the organization’s success: the company’s order book stood at £5.5 m...
- We are in a strong position and have a strong order book with lots of business.
- The firm's improved results partly reflect a strong order book at Airbus, the main rival to Boeing in the commercial aircraft market.
- The order book stands at more than 19 billion Pounds, which, together with aftermarket demand, provides visibility as to future activity levels.