Our A4 NCR books are available in both duplicate and triplicate styles, with blue, green, yellow and pink carbon front/back available. Our no carbon required books are a convenient, cost-effective method of creating official company receipts and invoices, that are easily customised. Our NCR books are numbered, finished with staples, taped and perforated ready for use. Triplicate books offer the option of each of three pages in a different colour for ease of identification. A4 books are ideal for those with more information to record, including quotations and itemised invoices.