After hours of combing through those books in the library, we decided to call it a night. We hadn't made any progress, and we were all hungry, so we got something to eat, and everyone went off to their bedrooms to get some rest. The frustration of not finding anything useful was starting to wear on all of us, and the physical and mental exhaustion was impossible to ignore. Still, I couldn't shake the feeling that we were missing something important.

I couldn't sleep, no matter how hard ...