Book excerpt: The thrilling conclusion to Ferals, a fantasy trilogy that’s part Batman, part The Graveyard Book, and all high-stakes adventure. Caw has defeated the dreaded Spinning Man and vanquished the Mother of Flies. But a new feral has appeared—one who intends to uphold the Spinning Man’s dark legacy. Known as the White Widow, this spider feral is determined to destroy Caw and bring Blackstone back into an era of crime and fear. Now everyone Caw holds dear is in danger. And this time Caw may not be able to protect them.