A birthday letter from Tom's father is stolen, and a dangerous paper chase ensures.
Tom and Julie are captured by sinister saboteurs with a plan to blow up a troop train.
Tom is caught up in a gun battle between soldiers and saboteurs.
Tom suspects that a Regimental Sergeant Major's grandson fears becoming a soldier.
Tom finally learns the truth about Christopher's 'cowardice'.
A German POW is shot. Should Tom reveal what he knows to the authorities?
A man who has lost his only son in France plans a terrible fate for Germans working at the quarry.
Tom wants to help a shell-shocked soldier recover his memory - but how?
Tom's new friend turns out to be a rich lord - as two tinkers are pleased to learn...
Tom has a spookily original plan to rescue Lord Beck from his kidnappers.
In the dark cellars of a nearby castle, an inventor is working on a new weapon...
Tom and Julie are trapped in the castle dungeons, and stan has a hair-raising trip!
Tom embarks on a dramatic airbourne chase when Julie is captured by German agents.