'[A] moving, beautifully written book about love and mental health and life' BOB ODENKIRK 'Fiercely intelligent, humane and necessary' NATHAN FILER, author of THE SHOCK OF THE FALL 'At its heart a story about love ... an astonishing new voice' ALI MILLAR, author of THE LAST DAYS 'I'm scared the bad people will hear me talking to you.' I watch him take his notebook and a marker pen from his bag. As he zips the compartment back up I see the tip of our large, serrated kitchen knife, the one that went missing last night.

Zach was nineteen...