Spy School
Stuart Gibbs
Spy School (1)
The Blood of Olympus: The Heroes of Olympus [Book 5]
Rick Riordan
The Heroes of Olympus (5)
Capturing the Devil
Kerri Maniscalco
Stalking Jack the Ripper (4)
Harry Potter and the Half-Blood Prince
J.K. Rowling
Harry Potter (6)