Hendersons Boys(HB) is a series of books written by Robert Muchamore. The books are set during WW2 and are about a group of children who are orphans from Britain or France, who go undercover to fight the Nazi's in France, the orphans are fully trained for combat and have went through espionage training, they are leaded by Charles Henderson. Henderson's Boys (HB) is a very good series of books, if you enjoy the Cherub Series or are intrested in war books you should definitely read this series.
Mark Kilgour.