Word Counter — word and character counting tools for writers and students.

Whodunits with a Twist: TikTok’s Favorite Heroines in Mystery Fiction

By Alan Reiner | Jun 28, 2025
Detailed image showing an open book with a small glass jar filled with dried flower petals placed on the pages.

PHOTO BY FERNANDOZHIMINAICELA ON PIXABAY

TikTok readers are embracing mystery heroines who defy expectations. These smart, bold characters bring fresh energy to the genre with clever thinking and emotional honesty that resonate with modern audiences.

Their stories often twist classic tropes, keeping readers guessing while making the mystery feel personal. It’s a shift that’s redefining whodunits for a new generation of fans.

A Good Girl’s Guide to Murder by Holly Jackson

A Good Girl’s Guide to Murder is about Pip Fitz-Amobi, a determined high school student who reopens a closed murder case for her senior project. What starts as research quickly turns into a gripping investigation filled with buried secrets and unexpected twists.

Pip’s intelligence and persistence set her apart. She’s methodical, brave, and unafraid to question authority—traits that make her both admirable and relatable.

TikTok readers connect with Pip’s realism. Her flaws, doubts, and emotional depth bring the mystery to life and keep fans invested.

Check out this book review:

https://www.tiktok.com/@bookswithniki/video/7260898628854697258?q=A%20Good%20Girl%E2%80%99s%20Guide%20to%20Murder%20by%20Holly%20Jackson&t=1750763616616

The Inheritance Games by Jennifer Lynn Barnes

The Inheritance Games is about Avery Grambs, an ordinary girl who suddenly inherits a billionaire’s fortune from a stranger. But there’s a catch—she must live in his mansion and solve a series of puzzles alongside his suspicious and clever grandsons.

Avery’s quick thinking and calm under pressure make her an unforgettable lead. As secrets unfold, she navigates danger, mind games, and high-stakes family drama.

Here’s a video dedicated to this book:

https://www.tiktok.com/@_nightsread_/video/7411242395058097426?q=The%20Inheritance%20Games%20by%20Jennifer%20Lynn%20Barnes&t=1750763851052

Truly Devious by Maureen Johnson

Truly Devious follows Stevie Bell, a true crime enthusiast who enrolls at Ellingham Academy to solve a decades-old kidnapping and murder. The mystery blends past and present, as Stevie investigates clues tied to one of the country’s most infamous unsolved cases.

Stevie is smart, awkward, and fiercely determined. Her love for puzzles and justice drives her, even as she navigates anxiety and teen life.

TikTok readers are hooked by the dual timelines, layered secrets, and Stevie’s sharp mind. Each reveal pulls them deeper.

Here’s why this reader recommends the book:

DISCLAIMER
The word count and text analysis tools provided on word-counter.com are intended for general informational purposes only. While we strive to provide accurate and reliable software, we make no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any calculation or data produced by this tool. Users are encouraged to verify critical counts against specific requirements (such as academic or publishing guidelines) independently. Use of this site is strictly at your own risk.