"Osbert the Avenger" 

by Christopher William Hill

Beastly fun!

This is the first in a "beastly" new series, Tales from Schwartzgarten, which will be enjoyed by older Hawthornes girls who like Roald Dahl and Lemony Snicket's "Series of Unfortunate Events." 

Osbert determines to get revenge for the cruel treatment of his friend Isabella at ghastly school, the Institute. This involves doing away with (gasp!) mean teachers in the most gruesome way possible. 

Horrible and funny-but not for the faint-hearted! Age 8+

Book 2- The Woebegone Twins.