Really enjoyed this book. It not only looks into the theft of an extremely rare and valuable pink pearl necklace, but you also get a taste of London in the late 1800s/early 1900s, and the history of Scotland Yard. I enjoy a good fictional mystery (especially one involving Scotland Yard), and it was fun to read about this heist from 100 years ago; who the players were, how the necklace was stolen, and the workings of Scotland yard (as well as some amateurs) to catch the thieves.