The Map of Leaves

Orla has lived on her own since Ma died, with only her beloved garden for company. When sickness comes and nature is blamed, Orla knows she must find a cure.  Armed with her mother's book of plants and remedies, she steals away on a river boat with two other stowaways, Idris and Ariana. Soon the trio must navigate the rapids of the Inkwater to a poisonous place from which they may never return ...