1. This'closed book 'was sold to Chesnara for ?7.5 million on 5 May 2005. 2. I d prefer to think of it as a closed book ." 3. A central reading room offers access to open and closed book stacks. 4. "As far as we're concerned, it's a closed book , " he said. 5. Slocum considers the Aggies'internal strife a private matter and a closed book . 6. As he saw it, " They were thought of as a closed book . 7. Others clap, or open and close books in which the pictures are moving. 8. The IFPA requires individuals to take a closed book , proctored exam. 9. The thing Valentine likes about Hough is that he isn't a closed book . 10. Interesting even for those of us to whom numismatics is a closed book .