Shells to Satoshi
Level 1: Picture Books, ages 4 to 7

The History of Money & Bitcoin Children's Book Series

Written and illustrated by Deanna Heikkinen. Ten stories that take young readers from barter and seashells to coins, paper money, and Bitcoin, in simple words and colorful pictures.

A young girl reading The Farmer and the Goat Herder
Level 1: Picture Books, ages 4 to 7

Big ideas about money, for little readers

Each book is a gentle first look at how people around the world have traded, saved, and trusted one another. They are perfect for bedtime, classroom read alouds, and homeschool history and economics lessons. 8 books are available now in paperback on Amazon, with two more on the way.

Cover of Magic Beans

Magic Beans

How the Maya Used Cacao as Money

Travel to the world of the ancient Maya, where cacao beans, used to make chocolate, were more than a tasty treat. They were money for food, clothes, and even toys.

Cover of Cowrie Shells

Cowrie Shells

Little Money from the Sea

Tiny seashells once held big value across Africa, Asia, and beyond. Discover how cowries helped people trade, celebrate, and connect.

Cover of The Story of Yap Stones

The Story of Yap Stones

The Biggest Money in the World

On the island of Yap, enormous Rai stones were money. Learn how these giant coins traveled across the sea and taught a whole community about trust.

Cover of Nutmeg and the Great Spice Exchange

Nutmeg and the Great Spice Exchange

A tiny seed from the Banda Islands became one of the most valuable spices in history. Follow nutmeg across the world and see how spices worked as money.

Cover of The Farmer and the Goat Herder

The Farmer and the Goat Herder

A Story of Barter

Farmer Fiona and goat herder Gabe trade with their neighbors, until trading gets tricky. A gentle first look at barter and why people invented money.

Cover of The First Coins

The First Coins

Lydia's Golden Invention

Along a golden riverbank in ancient Lydia, people turned electrum into the world's first coins. See why a stamped symbol made everyone trust them.

Cover of Flying Money

Flying Money

How China Invented Paper Currency

Merchants in Tang and Song China grew tired of heavy coins and dreamed up paper notes so light they earned the name "flying money."

Cover of Gold's Grand Adventure
Coming soon

Gold's Grand Adventure

How It Became Money

The story of how gold became money. A new adventure in the series, coming soon.

Coming soon
Cover of The Circle of Shells
Coming soon

The Circle of Shells

A Kula Ring Adventure

An island adventure with the Kula Ring of the Pacific. A new title in the series, coming soon.

Coming soon
Cover of Satoshi's Secret

Satoshi's Secret

The Story of Bitcoin

Meet the mysterious Satoshi Nakamoto and discover a new kind of money that lives on computers, needs no banks, and is protected by secret codes and teamwork.

Cover of Bear and Bull Discover the History of Money
Level 2: Early Readers, ages 6 to 8. In production.

Bear and Bull Discover the History of Money

Short chapter books with friendly illustrations, accessible vocabulary, and the same ten stories told for stronger readers. Coming in 2027.

Also in the works

Books and activities for children of all ages

  • Chapter Books for Readers Ages 8 to 10
  • Games and activity books
  • Online courses for students age 13 and up
Keep reading

Other books by Deanna

Cover of Shells to Satoshi

Shells to Satoshi

The Story of Money & The Rise of Bitcoin

The story of money from ancient barter to Bitcoin, and a practical guide to using it.

Learn more
Cover of Ownschooling

Ownschooling

Bitcoin, Sovereignty, & Education

Blending memoir, historical insight, and practical wisdom for those seeking a sovereign life.

Learn more