History. Humor (Nonfiction.) Young Adult Nonfiction. HORRIBLE HISTORIES GRUESOME GUIDES: EDINBURGH takes readers on a gore-tastic tour of the streets of Edinburgh exposing all of its most scurrilous secrets. With this book tourists can plot their path to the past - climb up the cursed castle, hit the High Street for a whole host of historical horrors and visit hellish Holyrood House. kidnapped kings, mysterious murders and reckless raids, it's a trip no Horrible Histories fan will want to miss!.