
Coming Summer 2026
The Third Core Literacy
The Fight to Remain Human in the Age of AI
By Marlon Lindsay
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This book makes a simple claim with enormous consequences: there are not two core literacies. There are three.
For centuries, we have organized civilization around two fundamental capabilities — the ability to read and the ability to compute. Language literacy and mathematical literacy. But two literacies are no longer enough. The age of artificial intelligence has introduced a third survival requirement: the capacity to think in the ways that machines cannot.
STEM Literacy defines that third literacy as the integrated exercise of the 4Cs + 2Ps: Creativity, Critical Thinking, Communication, Collaboration, Problem-Finding, and Problem-Solving. These are the capabilities every child is born with, the ones industrial education spent more than a century suppressing, and the ones the twenty-first century now demands we restore.
Across 17 chapters and 6 sections, the book traces the Great Fracture — how the Committee of Ten in 1892 deliberately fragmented integrated human intelligence into isolated subjects — and charts the path to the Great Reunification through the Eight Dimensions of transformative learning, the eight phases of STEMbedding, and the STEM Integration Continuum.
This is not a book about adding more science classes. It is not a coding-for-kids manifesto. It is a fight — for the integrated intelligence that 300,000 years of evolution built into every child, and that 130 years of industrial schooling has suppressed.
17 chapters across 6 sections
Read an Excerpt
It was a date to remember, and a day I will never forget.
April 4th, 2024 (4.4.24)
"Jamaica is now officially declared a STEM Island."
The Prime Minister spoke the words into a microphone at the lectern, in a gymnasium at the University of Technology. It's hot. No air conditioning. One of the two portable cooling units they brought in isn't working. Five hundred people sit in equatorial heat that has plastered every shirt to every back in the room.
My wife held my hand. And I teared up.
First nation on earth.
I am standing ten miles from the dirt road where I built my first machine out of a corned beef can and scrap lumber. But I had to travel three thousand miles and forty-three years to get back. 21stCenturyEd, the organization I built, helped make this moment possible.
Marlon Lindsay is the founder and CEO of 21stCenturyEd, an organization that partners with school districts and communities across the United States and around the world to deliver Comprehensive STEM education. He is Jamaican-born, Connecticut-raised, the holder of bachelor's degrees in Communication Science and Psychology and master's degrees in Educational Psychology and Business Creation, and the father of six children.
He is the bestselling author and editor of the STEM Century: It Takes a Village to Raise a 21st Century Graduate book series — eight editions since 2022, with more than 200 contributors from across the education landscape. He co-founded the STEM For Growth Foundation in Jamaica and serves as a trustee of Mountainland Technical College in Utah, appointed by the governor.
He is not an academic. He holds no PhD. He is a practitioner — a former copier salesman for Kodak who learned to stand in the space between a problem someone does not fully understand and a solution they have not yet imagined. That discipline shapes everything in this book.
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