The Fourth Cipher

Espionage! Espionage!

Are there any espionage novels that can rival Republic of China Spy?

Looking for a New, Really Great Novel About the War of Resistance and Spy Warfare, Rated at Least 9/10

Looking for books like Spy King: This Undercover Agent Gets Danger Warnings (Deep Sea Infiltration). A fantastic new resistance-era spy thriller, rated over 9 out of 10. Come check it out!

Classic, Engaging, No Idiotic Characters, No System, No Showing Off. Anything Else Goes

I don't want that kind of simplistic, amateurish novel.

For Middle-Aged Readers: Smart Characters, No Goody-Two-Shoes, Decisive and Ruthless, Highly Rated

Urban, System, reborn, fantasy, or gaming novels are all fine, as long as they’re good, the characters are smart, and there’s no saintly protagonist. Bring out any books on your shelf that fit the bill!

Classic Spy Novels: Got Any Recommendations?

Espionage! Espionage! It Needs Depth!

Looking for books like *Shanghai Spy Shadow: I Became a Tycoon by Going Undercover*.

Any Novels Suitable for Middle-Aged and Older Readers? Recommend a Few

For example, stories about real life, a particular historical era, history, or rural life. Nothing mindless

The Best Short Story Collections

Good Spy-War Novels

Are there any spy-war or Republican-era novels similar to Spy Shadow Storm?

Spy and Counterspy Novels

That kind.

High-Quality Spy Fiction

Looking for books similar to Spy Slayer. Please recommend spy novels with a good plot, sound logic, and smart characters.

Short Stories, Novellas, Anything Good!

Sweet or angsty, either is fine.

Spy Fiction + Smart Characters + Sound Values

Looking for books similar to Spy War: Starting at The Brink.

Spy Thrillers, Spy Thrillers, Spy Thrillers

Please recommend spy novels that are over a million words long.

Really Great Novels, I Am Desperate for Something to Read

I’m going through a terrible reading slump. It’s terrifying! Can anyone recommend a couple of books? I’d be so grateful.

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

Espionage.

Short Story Fiction

Are there any very short novels where the characters have different personalities each time? I do not want long-winded epics.

Spy Warfare Classics

I want something similar to Espionage: I Have a Pocket Dimension, but I Choose to Work Alone.

Looking for Short Stories

Looking for stories similar to *Rainy Day (Reconciliation After a Breakup, Angsty Push and Pull)*. Any short stories like this?

Completed and Good

Any completed books that keep you reading from beginning to end and leave you wanting more?

A Heartfelt Little Story, Short Enough to Finish During a Bathroom Break

Looking for something like *Little Coal*.

Novels About Republican-Era Secret Service Organizations, Such as the Central Special Operations Division, the Military Statistics Bureau, and the Central Bureau of Investigation

Looking for books similar to Spy Wars: The Deepening Plan. Nothing with messed-up values or absolutely no moral standards, please.

Any Good Spy Dramas or Novels About Catching Spies in the Early Years After Liberation?

Are There Any Spy Novels On Tomato?

These are *The Disguiser*, Kite, *The Infiltrator*, and *Peace Hotel*.