Hello Ruby is a children’s book that teaches programming fundamentals through stories and kid-friendly activities.

Preorder the Book and Workbook

Preorder the Book
and Workbook

Watch the Kickstarter Video

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Kind Words
Hello Ruby is way more than a children's book —Fast Company
Getting Girls Into Programming,
One Children’s Book At A Time
The heroine of Liukas' book is a girl,
but it's not a book for girls.
—The Guardian
She wants kids to understand and embrace basic computer logic, so that they later formulate code in the same effortless and creative way they build structures with LEGO. —The Wall Street Journal