Somewhere on the frontier between thought and reality exists the Discworld, a parallel time and place that might sound and smell very much like our own, but which looks completely different. Particularly as it’s carried though space on the back of a giant turtle (sex unknown). It plays by different rules. But then, some things are the same everywhere. The Disc’s very existence is about to be threatened by a strange new blight: the world’s first tourist, upon whose survival rests the peace and prosperity of the land.

In the ice, east of the Black Rock, there is a hole into which broken children are thrown. Yaz's people call it the Pit of the Missing, and now it is drawing her in as she has always known it would. To resist the cold, to endure the months of night when even the air itself begins to freeze, requires a special breed. Variation is dangerous, difference is fatal. And Yaz is not the same.

Every Winter, the human population hibernates. Your name is Charlie Worthing, and it's your first season with the Winter Consuls, the committed but mildly unhinged group of misfits who are responsible for ensuring the hibernatory safe passage of the sleeping masses. You are investigating an outbreak of viral dreams which you dismiss as nonsense; nothing more than a quirky artifact borne of the sleeping mind. When the dreams start to kill people, it's unsettling. When you get the dreams, too, it's weird. When they start to come true, you begin to doubt your sanity.

Niccolò Rising, book one of the series, finds us in Bruges, 1460. Jousting is the genteel pastime, and successful merchants are, of necessity, polyglot. Street smart, brilliant at figures, adept at the subtleties of diplomacy and the well-timed untruth, Dunnett's hero rises from wastrel to prodigy in a breathless adventure that wins him the hand of the strongest woman in Bruges and the hatred of two powerful enemies.

“The Shadow Key ushers us into Gothic darkness. . . . What sets this novel above your run-of-the-mill Gothic dread-fest is Stokes-Chapman’s skillful deployment . . . and above all, narrator Richard Harrington’s masterly performance. A Welshman himself, Harrington has a beautiful, dark...