To scan a book quickly, you'll need to use a high-speed scanner. These scanners can digitize an entire page in just a few seconds. You can also use a handheld scanner, but these will be slower. Once you have your scanner, simply open the book to the first page and begin scanning. Continue until you've scanned the entire book. Depending on the length of the book, this could take anywhere from a few minutes to an hour or more. If you want to save time, you can try using a service that specializes in book scanning. These companies can scan your books for you and deliver them electronically. This can be a great option if you have a large number of books to scan.