Garth Nix The Key To The Kingdom 7 Books (Boxed pack)

Arthur Penhaligon is a normal teenage boy, trying to fit in at school. But when he suffers a serious asthma attack, his life is unexpectedly saved by two strange characters who appear out of nowhere - and a key shaped like the minute hand of a clock. Arthur's life may have been saved, but his world is in danger.
Titles in the Set :
1. Mister Monday
2. Grim Tuesday
3. Drowned Wednesday
4. Sir Thursday
5. Lady Friday
6. Superior Saturday
7. Lord Sunday