Can you recommend some top World War 2 spy novels?

Another is 'Greenmantle' also by John Buchan. It delves deep into the world of spies during World War 1. The story takes the reader on a journey across Europe, with lots of mystery and danger. Buchan was really good at creating that tense atmosphere of the time, where spies were constantly at work behind enemy lines.

'The Riddle of the Sands' by Erskine Childers can also be considered in this genre. It has elements of nautical adventure combined with spying. The story is set against the backdrop of the build - up to the First World War and shows how ordinary individuals can get caught up in the world of international intrigue.

Sure. 'The Quiet American' by Graham Greene. It's set in Vietnam during the post - World War 2 period and has elements of spying and political intrigue. Another one is 'The Third Man' by Graham Greene as well. It's about post - war Vienna and has a lot of spy - related plotlines. And 'Atonement' by Ian McEwan, which has some aspects of spying during the war in the background of the story.

A really good World War 2 spy novel is 'Code Name Verity' by Elizabeth Wein. It's a story about female friendship and espionage. The two main characters, a pilot and a spy, are in a dangerous situation in Nazi - occupied France. It's a heart - wrenching and exciting read. Also, 'Agent Zigzag' by Ben Macintyre is worth mentioning. It's based on the true story of a double agent during the war, full of twists and turns that keep you on the edge of your seat.

Sure. 'The Spy Who Came in from the Cold' is a must - read. It gives a gritty and realistic view of Cold War spying. Another good one is 'Tinker Tailor Soldier Spy'. It's full of twists and turns. And 'The Ipcress File' which is really exciting.

'Code Name Verity' by Elizabeth Wein. This novel is set in World War Two and focuses on the friendship between two young women involved in the war effort, one of whom is a spy. It's a beautifully written story that not only has elements of espionage but also explores themes of loyalty and sacrifice.

'Mata Hari's Last Dance' is also a great one. It delves into the story of the famous spy Mata Hari during World War 2. The novel is full of intrigue as it follows her life and the accusations of spying that ultimately led to her execution.

Another notable one is 'The Alice Network' by Kate Quinn. It weaves together the stories of two women - one a World War I spy and the other a World War II spy. It shows the hardships and challenges that female spies faced during those tumultuous times.

Another excellent choice is 'The Book Thief' by Markus Zusak. While it's mainly about a girl, Liesel, in Nazi Germany during World War II, there is also a very touching sub - plot of love and friendship. The relationships that develop in the midst of the horror of the war are both heartbreaking and heartwarming.

Sure. 'All Quiet on the Western Front' is a must - read. It makes you feel the desolation and hopelessness of the soldiers on the front line. Another is 'The Diary of Anne Frank', which is a very touching and real account of a young girl's experience during the Holocaust. 'Slaughterhouse - Five' is also great as it shows the chaos and destruction of war in a very unique way.