A Day Of Fallen Night by Samantha Shannon (Bloomsbury £18.99, 880pp)A Day Of Fallen Nightby (Bloomsbury £18.99, 880pp)Like all the greats, Samantha Shannon has built a world with geography, rules that govern its characters' lives and, above all, a history.In this prequel to The Priory Of The Orange Tree, earth- shattering events have been rendered into myth, dimly perceived through the past's dark lens. Back then, a great destructive force arose and was defeated; now that same force is th...