No book but the world

"A gripping, morally complex novel that asks: How much do grown siblings owe one another? At the edge of a woods, on the grounds of a defunct "free school," Ava and her brother, Fred, shared a dreamy and seemingly idyllic childhood-a world defined largely by their imaginations and the presence of each other. Decades later, then, when Ava learns that her brother is being held in a county jail for a shocking crime, she is frantic to piece together...