A page-turning thriller from the award-winning Marcus Sedgwick exploring obsession, trust and coincidence. Laureth Peak's writer father has gone missing, leaving only his notebook with clues as to what might have happened to him. Laureth travels to New York with her little brother in tow, and ahead lie challenges and threats, all of which are tougher for Laureth than for most 16 year-olds, as she is blind.