Secret Agent Jack Stalwart (Books 9-12): The Deadly Race to Space, The Quest for Aztec Gold, The Theft of the Samurai Sword, The Fight for the Frozen Land Elizabeth Hunt
Meet Jack Stalwart. Code name: COURAGE.Jack is an ordinary kid who becomes a secret agent by night, thwarting evil all over the world as he searches for his missing brother, Max.The critically acclaimed bestselling middle grade series, now available in omnibus for the first time!