Republican Era: A Transmigrator's Spycraft Code

Any Good Spy Novels? I Want Opponents Who Are Actually Smart

Espionage.

High-Quality Spy Novels

I'd like a book like The Spy's Nemesis. High quality, not dumbed down, with a sensible plot, spies, and agents.

The Barbed Wire Is Finished 😭

Looking for books similar to *The Counterattack of a Little Spy in the Spy War (Spy War: The Last Stand)*.

Complete Anti-Japanese Espionage Novels of Over Three Million Words

Any Recommended Espionage Novels?

Something like Republic of China Spy.