Cathy’s 1’st book in the series
The Obsidian eye
SECRET SOCIETIES & THE SISTERHOOD SLEUTHS™
Sisterhood Sleuths™ Magazine
The Sisterhood Sleuths™ Magazine is a global adventure hub for teens and young adults, blending mystery storytelling, interactive puzzles, cultural discovery, and inspiring role models. Without real mystery reading, teens miss out on building critical thinking and confidence. Readers don't just read-they solve, explore, and think like sleuths, building the skills they'll need. Don't let your teen fall behind.
Secrets are everywhere. Curiosity is the key.
"This series is outstanding! Lots of adventure is happening to these two brave sisters. I highly recommend binge-reading the Sisterhood Sleuths™. Cathy Warshaw is the next J.K. Rowling."
- Jennifer Ferranno
“The best mystery I've ever read."
- Jordan, age 16"
The adventure begins with Book
Meet our fearless SISTERHOOD SLEUTHS
CHLOE
THE LEADER
Chloe, the fearless leader of the Sisterhood Sleuths™, thrives on unraveling mysteries. Intelligent, bold, and determined, she never backs down from a challenge - especially when history and danger collide. Whether decoding ancient clues or navigating high-stakes situations, she faces the unknown head-on.
LILY
HEART OF THE SISTERHOOD SLEUTHS™
Lily, is an adventurous spirit, full of excitement and impulsive imagination. Fascinated by urban legends, her intuition is sharp, and she possesses a photographic memory, making her an extraordinary detective in the world of mysteries.
Which Sleuth Are You?
the Obsidian Eye
In the quiet town of Upland, California, an ancient artifact surfaces—alongside a prophecy long buried. Join the Sisterhood Sleuths™ and their team as they embark on a thrilling quest to uncover secrets powerful enough to reshape the world.
The Land of Promise
Dive into a world of ancient mysteries, biblical prophecies, and modern-day conspiracies. Set against the stunning backdrop of Israel, this gripping tale weaves together history, espionage, and high-stakes adventure as the team races to uncover a truth hidden for centuries.
Meet Cathy
The creative mind behind the Sisterhood Sleuths™. As a life coach and author, she captivates and inspires teens with her storytelling, weaving together adventure, cultural insights, and moral lessons. Her work explores themes of friendship, love, and the battle between good and evil, empowering readers through mystery and suspense. Cathy resides in Upland, California, with her husband Brian, and their two beloved dogs Charlie and Bailey. She enjoys exploring history and uncovering new stories to share.
Blog Post
your new favorites just drop
MEET The Team
The SISTERHOODSLEUTHS
PODCAST
Welcome to the cinematic world of Sisterhood Sleuths™ - where every shadow hides a secret, and every mystery changes someone forever.
Created by author Cathy Warshaw, the Sisterhood Sleuths™ universe began with a dream and became an eight-book global mystery-adventure series that empowers teens and young adults to think boldly, question deeply, and become the heroes of their own stories.
This podcast takes listeners beyond the books and deeper into the mystery of discovering themselves. From secret societies to courage, friendship, resilience, and real-world empowerment, each episode feels like stepping into an unfolding adventure film filled with suspense, emotion, and discovery.
In the opening episode, Tina Marie explores one of the most powerful questions a curious mind can ask: What if the story you were told isn't the whole truth?
The episode also introduces a weekly mystery challenge designed to help listeners sharpen their curiosity, critical thinking, and observation skills - because sometimes the smallest detail changes everything.
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Cinematic storytelling
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Mystery & hidden truths
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Weekly mystery challenges
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Empowerment for teens & young adults