'Cara has grown up in the shadow of the Wall, in a closed world of food shortages and high security. Her parents are dedicated to their secret work for the government, and it’s only a matter of time before her gifted younger sister, Lilith, follows in their footsteps.
'It’s all Cara has ever known, until she meets siblings Ava and Leon. Bold, adventurous Ava doesn’t care for rules or forbidden territory – but she does care for Cara. Together the three children escape each day to the green and summery world of the canal, a lost paradise that runs through the city. Then one day Ava questions the government’s authority, and Cara makes a choice that she might regret forever.' (Source: Author's website)
