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Cass Freeman: Decision Trees
A Data-Driven Mystery About Family, Truth, and Finding the Patterns No One Else Sees
Six weeks ago, Cass Freeman thought data science was just equations and algorithms. Now, it’s the only thing standing between her family and eviction.
Fresh from an elite summer program at Stanford, sixteen-year-old Cass returns home expecting lazy August days at Booker’s Pages and Plates, her family’s beloved Oakland restaurant that has served as a cornerstone of the Black community for generations. Instead, she finds an eviction notice and a devastating raise three months' rent in six weeks, or lose everything.
Armed with her laptop, her newfound skills, and an unwavering determination, Cass dives into the restaurant’s data, searching for a solution. But as she runs the numbers, she uncovers disturbing patterns—unauthorized transactions, missing records, and evidence of systematic theft. What started as a mission to save her family’s legacy becomes a race to expose a conspiracy that runs deeper than she ever imagined.
Balancing summer friendships, late-night coding sessions, and the expectations of a family who sees her as a hostess, not a strategist, Cass must prove that data science isn't just for Silicon Valley startups—it’s a tool for anyone brave enough to seek the truth. But as the deadline looms, Cass faces an impossible expose the truth and risk everything, or stay silent and watch her family's legacy disappear.
For Readers Who Thought-provoking mysteries with real-world impactSTEM-driven storytelling that blends intellect with adventureDiverse protagonists who challenge the status quoStories where family legacy meets modern innovation📖 Perfect for fans of The Miscalculations of Lightning Girl and The Game, this novel blends mystery, technology, and resilience—proving that data isn’t just numbers, but a way to fight for the future.
🚀 What happens when the numbers expose a truth no one wants to hear? Cass Freeman is about to find out.
Six weeks ago, Cass Freeman thought data science was just equations and algorithms. Now, it’s the only thing standing between her family and eviction.
Fresh from an elite summer program at Stanford, sixteen-year-old Cass returns home expecting lazy August days at Booker’s Pages and Plates, her family’s beloved Oakland restaurant that has served as a cornerstone of the Black community for generations. Instead, she finds an eviction notice and a devastating raise three months' rent in six weeks, or lose everything.
Armed with her laptop, her newfound skills, and an unwavering determination, Cass dives into the restaurant’s data, searching for a solution. But as she runs the numbers, she uncovers disturbing patterns—unauthorized transactions, missing records, and evidence of systematic theft. What started as a mission to save her family’s legacy becomes a race to expose a conspiracy that runs deeper than she ever imagined.
Balancing summer friendships, late-night coding sessions, and the expectations of a family who sees her as a hostess, not a strategist, Cass must prove that data science isn't just for Silicon Valley startups—it’s a tool for anyone brave enough to seek the truth. But as the deadline looms, Cass faces an impossible expose the truth and risk everything, or stay silent and watch her family's legacy disappear.
For Readers Who Thought-provoking mysteries with real-world impactSTEM-driven storytelling that blends intellect with adventureDiverse protagonists who challenge the status quoStories where family legacy meets modern innovation📖 Perfect for fans of The Miscalculations of Lightning Girl and The Game, this novel blends mystery, technology, and resilience—proving that data isn’t just numbers, but a way to fight for the future.
🚀 What happens when the numbers expose a truth no one wants to hear? Cass Freeman is about to find out.
404 pages, Kindle Edition
Published February 11, 2025
3 people are currently reading
3 people want to read
About the author
Bryan H. Kelly
2 books2 followersBryan Kelly is an author, technologist, and mentor dedicated to making STEM accessible and engaging for young readers. With over 25 years of experience in tech, he has led global engineering teams, driven innovation in data science, and championed diversity in STEM.
His debut novel, Cass Freeman: Decision Trees, introduces readers to data science, problem-solving, and real-world innovation through the eyes of Cass Freeman, a determined teen who uses her analytical skills to tackle challenges in her community. Inspired by his own journey in technology, Bryan crafts stories that show young people—especially those from underrepresented backgrounds—that they belong in STEM.
Beyond writing, Bryan is the creator of The STEM Signal, a blog and podcast where he shares insights on technology, AI, and education. He also founded the Freeman Scholars Program, which provides mentorship and scholarships to aspiring STEM leaders.
Bryan lives in the Bay Area with his wife, Connie, their children, and their ever-curious tortoise, Tank.
His debut novel, Cass Freeman: Decision Trees, introduces readers to data science, problem-solving, and real-world innovation through the eyes of Cass Freeman, a determined teen who uses her analytical skills to tackle challenges in her community. Inspired by his own journey in technology, Bryan crafts stories that show young people—especially those from underrepresented backgrounds—that they belong in STEM.
Beyond writing, Bryan is the creator of The STEM Signal, a blog and podcast where he shares insights on technology, AI, and education. He also founded the Freeman Scholars Program, which provides mentorship and scholarships to aspiring STEM leaders.
Bryan lives in the Bay Area with his wife, Connie, their children, and their ever-curious tortoise, Tank.
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