Here's just part of a long chat mystery maven Frankie Bow and I had:
Q. What kind of research did you do for Dulcie’s life and daily routine? Were there any surprises when you were doing your research?
A. By now, I know Dulcie’s routine fairly well! I never went as far as Dulcie did in my education, but I spent my years in the library as an undergraduate! For Code Grey, I did research both book conservation and stolen books. Did you know there’s an online registry of stolen books? The idea is that rare book dealers should check whenever anyone brings anything suspicious in to sell and they can check everything from watermarks to the provenance of various publications… Creepy, huh? The restoration part was incredibly fun – learning how conservators stabilize centuries-old paper and what ancient ink looks like after a few hundred years… I think of Code Grey as a love story to books, in part.
Read more here.