Here’s a site for you to add in all sorts of information to your novel:
Are you trying to poison someone? http://listverse.com/2012/12/02/10-poisons-used-to-kill-people/
Are you writing a book about great treasure?http://listverse.com/2014/03/16/10-of-the-worlds-greatest-lost-treasures/
Does someone need to be sacrificed? http://listverse.com/2014/03/17/10-contemporary-cases-of-human-sacrifice/
These are just a few of the topics covered on this site- I’ve had so much fun exploring this for Musetracks…..muwahahahahaha my characters are in for a ride now!