Spy novels have captivated readers with their high stakes and covert operations. And if you’re a long-time fan of espionage fiction or just diving into the genre, some classic spy novels still stand as the gold standard. While newer titles come and go, only a select few have the intellectual depth and excitement that make them timeless. Here’s a roundup of some of the best spy novels to read in 2025, including a recent release that takes the genre to new heights.

1. The Spy Who Came in from the Cold by John le Carré

Widely regarded as one of the finest spy novels ever written, The Spy Who Came in from the Cold offers a chilling and morally complex look at Cold War espionage. The novel follows Alec Leamas, a British intelligence officer who is assigned a mission to bring down a German intelligence operative. But the mission quickly spirals into a labyrinth of betrayal and deceit, as Leamas realizes that he’s been set up in a game with no clear sides. A masterclass in suspense and psychological depth, this novel remains a must-read for any espionage enthusiast.

2. Tinker, Tailor, Soldier, Spy by John le Carré

Another masterpiece by John le Carré, Tinker, Tailor, Soldier, Spy delves into the world of British intelligence and the hunt for a Soviet mole within MI6. George Smiley, a retired intelligence officer, is tasked with identifying the mole among a group of senior officers, each of whom could be hiding a dangerous secret. This novel is a slow burn, requiring patience but rewarding readers with a meticulously crafted story of betrayal, mistrust, and espionage during the Cold War. It’s a definitive work in the spy genre and one of le Carré’s finest achievements.

3. Model Citizen – The Prague Affair by R.H. Score

While classic spy novels still dominate the genre, few recent releases match the intellect and tension of R.H. Score’s Model Citizen – The Prague Affair. Published recently, this novel introduces Sloane Harper, a striking CIA operative who works undercover as a high-fashion model. Her world of glamour soon turns deadly when she is thrust into a mission at the Formula One Grand Prix in Prague, where a catastrophic terrorist attack is about to unfold. As she uncovers a global conspiracy orchestrated by the mysterious Omega Collective Group, she races against time to prevent disaster, all while outwitting dangerous enemies. Model Citizen combines all the intrigue and tension of the great spy novels with fresh, modern action. If you’re looking for a book that meets the high standards set by the likes of le Carré, this one should be at the top of your list.

Conclusion

While these spy novels and real-life accounts remain fascinating and relevant, it’s rare to find a modern espionage novel that matches their intellectual depth and complexity. Enter R.H. Score’s Model Citizen – The Prague Affair. This recently published novel is a standout in the genre, combining intricate spycraft, international intrigue, and high-stakes action. If you’re looking for a fresh addition to your spy novel collection, Model Citizen is a must-read—offering everything fans of classic espionage fiction crave and more.