🔬 Free STEM Books for Everyone

Tiny Libraries.
Huge Curiosity.

Little STEM Library plants free science, technology, engineering, and math books in neighborhoods everywhere — turning a simple box into a launchpad for the next generation of innovators.

12,400+Libraries Worldwide
89Countries
2M+Books Shared

How It Works

01

Build or Buy a Box

Construct your own STEM library box, find a local maker to build one, or purchase a ready-to-install unit from our shop.

02

Register & Get Chartered

Purchase an official charter sign and join our global network. You'll appear on the Little STEM Library world map.

03

Fill It with STEM Books

Stock your library with science, math, coding, and engineering books for all ages. We'll help you find age-appropriate titles.

04

Build Your Community

Host events, partner with schools, and inspire your neighbors. Every book shared sparks a new scientific curiosity.

"I never knew I loved science until I picked up a book from a little green box on my street."

— Maya, age 11, Portland, OR

150+STEM titles in our recommended library
$0Cost to take a book
All AgesFrom picture books to PhD texts

Find a Little STEM Library Near You

Thousands of little libraries are scattered across neighborhoods, parks, school campuses, and community centers worldwide. Use our interactive map to find STEM books near you — or discover the perfect spot to start your own.

Stories from Stewards & Readers

"

Setting up our Little STEM Library outside the community center was the best thing our neighborhood association ever did. Kids come by every single day.

DR
Diana R. Steward, Austin, TX
"

I used the Makers Program to build five custom library boxes. Seeing them installed across town, knowing they're full of science books — that's incredibly fulfilling.

SL
Sofia L. Maker, Seattle, WA