Book 1
Book 1
Undercover Combat: Courageous Spies of World War I
A young British officer starts a spy base that is disguised as a shipping company. A German naval engineer turns against... MoreUndercover Combat: Courageous Spies of World War I
Book 2
Book 2
Secret Agents of Honour: Bold Spies of World War II
A daring double agent tricks the Nazi regime. A world-famous jazz singer smuggles secrets out of occupied France. A prof... MoreSecret Agents of Honour: Bold Spies of World War II
