The sinister Spinning Man has been defeated--but a powerful new villain has risen from the shadows. Ferals: The Swarm Descends is the second book in a dark middle grade fantasy series that's part Batman, part The Graveyard Book, and all high-stakes adventure.

The Mother of Flies has eyes everywhere, and she is searching for Caw. As the last survivor of a long line of crow ferals, Caw holds a crucial piece of Blackstone's legacy--one the Mother of Flies will stop at nothing to find.

With his friend Lydia and his loyal crows by his side, Caw believes he can protect his city. But it will take more than crows to defeat this darkness....