EmmaLea Media

Meet the author

Joseph Valenzuela

Joseph Valenzuela writes science nonfiction, speculative fiction, and stories for young readers. EmmaLea Media is the home for his books and his work helping other writers bring theirs to readers.

Start with a question.

Why does your phone think you’re across the street? What happens when a girl asks an AI for help in a storm? Joseph’s books start with moments like these, then follow the question into the physics of everyday technology or the choices people make when it enters their lives.

Joseph Valenzuela on Goodreads

Published books

Four places to start
Quantum Things cover

Popular science · Second edition

Quantum Things

From the clocks behind GPS to experiments with single electrons, see what happens when scientists build with nature’s strangest rules.

The Harmony Grid cover

Speculative fiction

The Harmony Grid

In Willowbrook, an ancient technology brings two unlikely collaborators together and draws the attention of the world.

The Wealth Revolution cover

Business · With Harrison Caldwell

The Wealth Revolution

A short guide to subscriptions, digital resale rights, and using AI in the day-to-day work of a small business.

On the studio shelf

Lily’s Blood is an illustrated novel about a young woman whose search through an aid program’s records tests the family and community that raised her.

The Poor Old Dog, credited to Joey Valenzuela, follows a hungry dog who finds a ring and sets out to return it.

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