The Boy on the Bridge

Blurb

If you fell in love with Melanie in the million-copy-selling post-apocalyptic phenomenon The Girl With All the Gifts---there's more to the story...
Once upon a time, in a land blighted by terror, there was a very clever boy.

The people thought the boy could save them, so they opened their gates and sent him out into the world.

To where the monsters lived.