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Top 3 Free Mystery & Thriller Books You Can Read Right Now


Top 3 Free Mystery & Thriller Books You Can Read Right Now — Penelope McGrath Moody, shadowed library scene with warm golden light and bold white text overlay promoting free mystery and thriller book picks. Top 3 Free Mystery & Thriller Books You Can Read Right Now Curated by Penelope McGrathDimly lit vintage library with stormy shadows and bold white text overlay reading “Top 3 Free Mystery & Thriller Books You Can Read Right Now,” curated by Penelope McGrath.

Top 3 Free Mystery & Thriller Books You Can Read Right Now

Disclosure: I’m an Amazon Associate. If you grab a book through my links, I may earn a small commission—fuel for more dark thrills.

Welcome to the section that whispers when you walk past. These three thrillers won’t cost you a dime—only sleep. Inside: a gritty detective conspiracy, a fractured mind shielding truths it should never remember, and a historical mystery laced with terror and revolution. Download them now… if you’re brave enough to keep reading after midnight.


馃摉 Free & Unputdownable

1) The Girls in the Desert — J.R. Cloice

Genre: Mystery / Conspiracy Thriller • Format: Free

A detective’s worst nightmare becomes her only lead in this gritty, high-stakes conspiracy thriller.

Read it here — Free Download →

2) Obsession — Clarise Foster

Genre: Psychological Thriller • Format: Free

A haunting spiral of memory loss, manipulation, and the terrifying truths buried in the mind.

Read it here — Free Download →

3) Them That Trust in Riches — Craig Stephen Copland

Genre: Historical Mystery / Suspense • Format: Free

New York, 1920. A bomb explodes. A gutsy female sleuth and her war-hardened driver enter the underworld of political terror.

Read it here — Free Download →

Stay curious, stay aware... and don’t believe everything they buried—some truths claw their way back.

馃帴 Bonus Escape: Puerto Rican Thunderstorm Ambiance

Before you sink into your next mystery, let the storm set the tone. Trapped in my car during a midnight downpour, the windshield trembled and the sky cracked open. The rain hit like a warning—oddly calming, as long as you don’t check the backseat.

Watch the Puerto Rican Storm Ambiance →


馃攷 Want more free thrillers?

Explore Penelope’s Free Thriller Library →

What to Read Next

Want psychological thrillers with real bite?

Join my newsletter and I’ll send you one of my own—completely free, no tricks (just plenty of twists).

Subscribe & Get a Free eBook →

With thrills,
Penelope McGrath


馃摎 About Penelope McGrath

Penelope McGrath writes psychological thrillers and twisted mysteries from Puerto Rico, where she’s raising two toddlers and collecting story ideas in every thunderstorm.

Follow her on Goodreads →

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