What's in the box? 100 cards, and a fiendishly difficult murder mystery puzzle. That's right: it's #CainsJawbone, the limited edition boxed set, and with your help, it's coming to bookshops soon... Check it out and claim your copy (or copies, if you feel like gifting someone an extreme case of amateur sleuth-itis!) via the link in our bio now... . . . . . . . #unboundbooks #cainsjawbone #lamascelladicaino #murdermystery #solvingmysteries #armchairdetective #murderinos #solvingmurders #puzzlebook #puzzlebooks #crimebooks