Dogs have been disappearing all over London. Meanwhile something is stalking the wilder parts of Hampstead Heath each full moon, leaving grisly animal carcasses and what appear to be unbelievably large paw-prints.
Young sleuth Darkus Knightley, who has left the shadow of his famous detective father following the events of the first Knightley & Son book, is soon investigating. Unfortunately he has competition from a nosey wannabe student journalist, the police, his potential stepsister Tilly, and an uneasy alliance of despicable chaps who only want to discredit Darkus and his dad. There is of course a connection between the disappearing dogs and the beast on the Heath, but things are a lot more complicated than any of the above realised.
Obviously there’s a big element of homage to The Hound of the Baskervilles running through this book. However, despite a splash of fantasy requiring some suspension of disbelief, it’s actually a bit less silly than the Sherlock version. There’s the same zany humour as in the first book, though balanced this time by some surprisingly violent scenes in its more action-led moments.
The book ends not so much on a cliffhanger as a sharp poke to read the next book in the series. Some untied bows are unravelled at the last moment, but the characters are quite penned in by their development during the course of this book. Knightley Snr slips into a convenient catatonic state (again) partway through the story, a contrivance to allow Darkus to come to the fore once more. But he would do that anyway, having overtaken his dad in sleuthing abilities. Plus the truth is, the stories are always more interesting when he isn’t around, when Darkus is more or less alone, in danger, and can’t rely on dad showing up with the car to save the day.