Books by K. R. Talon

One wrong number. $4.8 billion. Nine days.

On a Monday morning at 7:42 AM, Déclan Vane finds a $340 million discrepancy in an overnight margin summary. He reads every line. He catches things. This time, what he catches will cost him everything he's spent eleven years building.

Arcadia Family Capital is a family office running $104 billion in synthetic leverage across five prime brokers — and not one of those banks knows the full picture. Each has been given a different version of the truth, calibrated precisely to prevent the question that would expose everything.

When VistaCom Media Group announces a $3.2 billion secondary offering at a discount, the margin calls begin. And when Arcadia can't cover them, the banks stop cooperating and start competing. First to sell survives. Last to sell eats the loss.

Crédit Solvay will be last.

A white-knuckle financial thriller drawn from the mechanics of one of the most dramatic market collapses of the modern era — propulsive, technically precise, morally complicated.

For readers of: Liar's Poker · Too Big to Fail · The Big Short · Margin Call

She found the number at 7:14 AM. By the end of the week, it would cost someone everything.

Tara Lund knows the monthly issuance reconciliation cold. So when the numbers break, she knows this is no system glitch. Cardinal Bank North America has issued more VLTX exchange-traded notes than it was legally registered to sell.

Then the bank halts new creations.

Without that mechanism, the ETN breaks loose from fair value. Headlines hit. Retail investors pile in. The premium widens. Investigators start circling.

Tara is the one who found the problem. That makes her essential, and dangerous.

As pressure builds inside the bank, she faces a brutal choice: escalate and become the person who knew, or help contain it and become the person who helped.

A fast, technically grounded financial thriller built on the real mechanics of ETN issuance, arbitrage failure, and regulatory risk.

He knew every gap in their system. They knew every number he produced.

Paris, 2005. Marc Aurel spent five years in compliance learning exactly where the bank's surveillance cameras point — and where they don't. When he finally makes it to the trading floor, he uses that knowledge to build something the system was never designed to see. A €49 billion position. Disguised as routine arbitrage. Generating returns so extraordinary that no one asks the question that would end it.

By the time a compliance officer works late on a Friday evening in January 2008, it's already too late for a clean answer. The bank faces insolvency if it holds. It faces scandal if it discloses. It spends three days selling in secret, feeding a market collapse it refuses to explain — while it decides what story it needs to tell.

Marc is that story. Rogue employee. Exceptional deception. Acting alone.

But a board member sold €86 million in shares eleven days before anyone officially knew there was a problem. And a set of handwritten meeting notes — kept in a private file, never entered into the investigation record — describes a trading desk with returns that were "structurally inconsistent with its mandate." Six weeks before the sale.

The model said the hedge was clean. The basis said otherwise.

From a high-rise desk overlooking Manhattan, a risk officer watches a natural gas spread curve dislocate in real time. VaR is moving. Liquidity is thinning. The exposure report that looked routine at the open is now a stress scenario with a name on it.

Basis Risk is a compact Rogue Traders novella about model risk, hedge failure, and the moment a desk discovers that the protection built to save the position has become the trade that breaks it.

For readers who want the mechanics without the noise — and the specific terror of being right about the world and wrong about the hedge.

Novella length. Reads in one sitting.

Mara Kessler has less than thirty-six hours to prove what the algorithm does, who built it, and why the evidence she's carrying was designed to destroy her. The answer runs straight to the top of the firm — and the people protecting it have already decided she's the clean explanation.

The market closes at 4:00. The trigger fires at 3:59. She has until then.

The fraud is bigger than she thought. And she's already inside it.

Risk analyst Mara Kessler exposed a market manipulation scheme that cost her everything — her job, her name, her sense of what the system was built to protect. She was cleared. She was not warned.

Now a paralegal is dead, a chain of fraudulent structured settlements runs through six shell trusts to a consortium no one has named publicly, and a federal confirmation hearing is twenty-two hours away. Mara has the pattern. She doesn't have the proof. And the deeper she goes, the clearer it becomes that someone inside the conspiracy has been expecting her.

A taut financial thriller about information as a weapon, trust as a liability, and the specific danger of being the person who asks the right questions too late.

A coordinated short attack is destroying a biotech company whose breakthrough drug would render a $4 billion maintenance therapy obsolete. The founder has fourteen months to live — from the same disease his drug was designed to treat — and eleven months of documentation that no formal channel will touch.

Mara Kessler has two days.

Naked Short follows independent risk analyst Mara Kessler as she traces a market manipulation campaign from its data signature through its financial architecture to the corrupted FDA channels that gave it teeth. She will build the case, file the submission, and route it through the channels that can act on it. She will not control what those channels do or how long it takes.

Lean, precise, and relentlessly grounded in how markets, regulators, and the people inside them actually work.

For readers of John Grisham, Michael Lewis, and Don Winslow.

He had one rule. Don't move the stop.

Eighteen months after the trade that ended his career, Cal is still at the screens. Small positions. Clean exits. Nothing he can't walk away from.

Then a call comes from a man he's been avoiding — a retired trader with $500,000 and a question Cal isn't ready to answer.

The setup is clean. The thesis is airtight. The terms are simple: manage the capital, follow your own rules, don't repeat what happened last time.

But someone is watching. Someone who knows how Cal trades, where his stops sit, and exactly how much pressure it takes to break a man who has already broken once.

The only question is whether Cal can tell the difference between a market that's turning against him and a room that's been arranged to make him think it is.

For readers of The Fear Index, Margin Call, and anyone who has ever held a position through a shakeout and lived to talk about it.

Marcus Holt runs a macro fund from a quiet floor in Mayfair, reading sovereign debt and central bank silence better than most people read headlines. For eight months, he has built a massive position against a small Southeast Asian nation whose numbers do not add up.

Then, without warning, the market turns on him.

Over seven days in London and Singapore, The Elephant follows one trader as pressure closes in from every side. His position is under attack, trust inside his walls begins to fracture, and being right about the world may not be enough to save him.

For readers who want the intelligence without the noise.

Perfect for fans of Margin Call, Liar's Poker, The Big Short, and Capital by John Lanchester.

Novella length (~22,000 words). Reads in one sitting. Stays with you longer.

One night. One trade. One phone call that changes everything.

Cole Ritter isn't supposed to be here. A colleague calls in sick, the Asia session is supposed to be quiet, and Cole is supposed to be home. Instead he's at a desk that isn't his, running a book he didn't build, watching a yen chart that's moving wrong.

By midnight, he's the largest overnight position his firm has run in three years. By 2 AM, he's broken protocol twice. By 3 AM, his wife has told him she's leaving.

OVERNIGHT is a financial thriller compressed into a single sleepless night — one trader, one major market event, and twelve hours of decisions that can't be taken back. Set against a sudden Bank of Japan emergency rate hike that sends the yen into freefall, the novel tracks Cole's escalating risk-taking in real time: the limit conversations with his risk manager, the reads that pay off, the calls he doesn't make, and the moment when a position this large stops feeling like a trade and starts feeling like the only thing keeping him together.

The night costs him more than he expected. The question is whether he knew that going in.

For readers of Liar's Poker, the films Margin Call and Arbitrage, and anyone who has ever chosen work over something they can't get back.

The chart broke out. The strength was fake. The stop run was real.

A trader at a desk overlooking the city watches a breakout that should confirm the trend — and instead becomes a liquidity trap. Retail FOMO piles in. The level holds just long enough to collect the stops. Then the market reverses hard.

False Breakout is a standalone financial thriller about market microstructure, stop runs, and the gap between what the screen shows and what the room is actually doing. When risk is invisible until it isn't, discipline is the only edge left.

For readers of Margin Call, Liar's Poker, and anyone who has watched a perfect setup turn into a perfect trap.

The screens are real. The money isn't. The pressure is.

A young trader sits alone on a darkened floor, running a demo account like it's live capital — because for him, it might as well be. Every candle matters. Every read has to pay. Every loss feels like proof that he doesn't belong in the room.

Demo Trader is a compact financial thriller about the psychology of learning to trade — the hours, the obsession, and the moment when paper gains start to feel like the only thing keeping a life together.

For readers who want the intelligence without the noise.

Novella length. Reads in one sitting.

Estate lawyer Stellan expects a routine inheritance.

Instead, he finds Orin, a brilliant, unsettling trader who shows no interest in the fortune left in his name, only in the markets and the hidden patterns beneath them.

But Stellan is not there just to settle an estate. He represents powerful interests who believe Orin and his late partner built something of immense value, something they are determined to uncover.

The deeper Stellan digs, the less Orin makes sense. No clear past. No traceable history. Only questions that lead somewhere stranger than money.

Algo Trader is a psychological financial thriller about obsession, identity, and the danger of looking too closely beneath the surface.