The journey through M. R. Carey's 'immersive, impeccably rendered world' (Kirkus) continues in The Trials of Koli - the second book of the Rampart trilogy. Koli has been cast from his village and into the strange and deadly forest beyond. But he heard a story, once. A story about lost London, and the mysterious tech of the old times that was there. And if Koli can find it, there may be a way for him to redeem himself - by saving what's left of humanity....