Harry Potter and the Half-Blood Prince 6-3 (Seizansha Pegasus Bunko)

Two attempted murders... Ignoring Harry's warnings that he suspects Malfoy, Dumbledore tells Harry to focus on the important task he has given him. He says that this is the key to unlocking Voldemort's secret... Malfoy's plan, the true identity of the "Prince"... Each mystery revealed leads to more mysteries. The world is hooked! "Harry Potter" series 16