Seventeen-year-old Kay left her sleepy hometown after the devastating death of her friend, Ivy. But when Kay is forced to come back, she receives an anonymous letter that turns her life upside down.

The letter tells her that there will be a thrill on Tuesday, a wreckage on Wednesday, treachery on Thursday, a fire on Friday, sabotage on Saturday, a stabbing on Sunday - and her murder on Monday. And if Kay can't figure out who is behind the threats, the worst day of the week is about to get deadly...

'A treat for crime fiction fans." Sunday Express

'A crisp, Christie-esque detective story told in lively multiple voices, perfect for Holly Jackson fans.' The Guardian

'Clever, witty and so much fun...I was on the edge of my seat. At this point, if Ravena Guron writes it, I'm first in line to read it.' Bea Fitzgerald, bestselling author of Girl, Goddess, Queen