A while back I stumbled onto Book Journals, a company that makes lovely journals out of old books. I have been itching to buy one as a gift, but for the life of me I can't think of anyone who would really use one.
All the books are spiral bounds with blank pages (and a few of the book's actual pages) between the front and back cover. All the books are under $20. And they are all unique! Just look at how lovely they are: