That's the White Tower - the oldest part of the Tower of London - behind Genny. The White Tower is the original square fortress started by William the Conqueror around 1080. Perched on the wall next to Genny are two of the Tower's Ravens. And yes, they play a part in the story :-)
Yay! The cover gods a.k.a. Gollancz' art department have been *good* to me! Thank you, Gollancz!
