Notes

Sam's best friend Harry is working on a school assignment about refugees from the Balkans, and comes across a photo of the school caretaker as a war criminal. The next thing he knows, Harry is dead and has returned as a ghost to help Sam solve the mystery of his murder. The boys, with the help of the class geek Anna, uncover an operation centred at their school, involving giving war criminals protection in exchange for big bucks.

Missing copies as of 18/5/18:
2, 14, 18, 22, 23, 24.

Readability 12 - 14
Levels 4
Year 8

One of 35 copies.