The Cal Phillips Thrillers by David Taylor

Nothing is ever as it seems.

Political conspiracy thrillers for fans of Vince Flynn and Brad Thor, featuring Cal Phillips: a man who can't outrun his past, and keeps running straight into America's darkest secrets.

The Cal Phillips series covers side by side: Book 1, In 2 Deep; Book 2, In 4 Trouble: The Purple Trunk; Book 3, In 4 Trouble: Damocles' Day.
Cover of In 4 Trouble: The Purple Trunk by David Taylor, Book 2 of the Cal Phillips thrillers: a man seen from behind under a rifle scope crosshair, walking toward mountains at dusk.
New · Book 2 in the Cal Phillips Series

In 4 Trouble: The Purple Trunk

What really happened in Dallas on November 22, 1963? One man hid the answer, and powerful people will kill to keep it buried.

Two years after the Zodiac2 terrorized San Francisco, Cal Phillips has vanished. But a president is keeping a promise, an enigma called "The Oracle" is hunting for Cal, and a shadowy group known as "The Collective" will kill anyone who gets close to the truth. At the center of it all: the purple trunk.

Kindle edition free with Kindle Unlimited

Cover of In 2 Deep by David Taylor, Book 1 of the Cal Phillips thrillers: a man in a dark suit stands in San Francisco fog, with Coit Tower and the Golden Gate Bridge lit up behind him.
Book 1 · A Cal Phillips Thriller

New to Cal Phillips? Start here.

A serial killer is stalking San Francisco on the eve of the Democratic National Convention. The inspector hunting him has secrets of his own. In 2 Deep is Book 1, and it's where Cal's past starts catching up with him.

Kindle edition free with Kindle Unlimited

Cover of In 4 Trouble: Damocles' Day by David Taylor, Book 3 of the Cal Phillips thrillers: a man in a leather jacket in front of a night city skyline, with a sword hanging by a thread above it and fireworks in the sky.
Book 3 · Available for Preorder

In 4 Trouble: Damocles' Day

Releases November 17, 2026

Sixty years ago, one man killed a president. Now he's ready to talk.

Cal Phillips has been hiding JFK's real assassin on his Colorado ranch. In days, the witness will testify before the Senate, and The Collective will do anything to silence him.

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