Robert Muchamore

Ryan and Ning try to find a major drug importer, with their key advantage, criminals never suspect children of spying.

Charles Henderson is the last British spy left in occupied France in 1940, living on a farm near Calais with four runaway kids cut adrift by the war. He and his young agents are playing a dangerous game: translating for the German high command and sending information back to Britain about the Nazi plans to invade England in September, on Eagle Day. The RAF must destroy the Nazi invasion fleet, but Northern France is heavily defended and the camouflaged...

Britain, 1941. The government is building a secret army of intelligence agents to work undercover. Henderson's boys are part of that network. They'll have to parachute into unknown territory, travel cross-country and outsmart a bunch of adults in a daredevil exercise. In wartime Britain, anything goes.

As conditions in Sherwood Forest grow more precarious, time is running out for inhabitants of the abandoned shopping mall. With constant pressure on them from Sheriff Marjorie and gangster Guy Gisborne, Robin decides to engage his brother Little John as undercover spy. And John strikes gold when he discovers his mother's plan for the ailing Sherwood Castle resort. Robin and Marion join in an audacious plan to scupper their oppressors, but the the...

Summer, 1944. The tide of war has turned against the Nazis, but desperation has made them more brutal then ever. Henderson's Boys' final mission will be their most dangerous. With food and weapons in short supply, survival is the biggest challenge of all.