This is a very gripping atmospheric ghost story with flashes of extreme ludicrous behaviour that is very funny. Not to be taken too seriously, it is a rollicking story that takes you along with it, suspending disbelief as you go. Queen Victoria is (hopefully) an extreme caricature but she does make you consider the morality of the times. Luckily, Lord Salisbury is also not around to take out any injunctions. There is, however, a carefully considered plot that is based on limited facts and speculation that was rife at the time as to Victoria's parentage. Interesting.
The malign influence of the Pendle Witches, the sad history of McGray's own sister, wild chases across England and Scotland, seriously spooky ravens and ghostly green fire all combine to provide a Gothic and chilly tale of excitement and suspense. I think this is a book that would be appreciated on a dark night next to a flickering fire, and possibly a wee dram of Scotland's finest.