2026 Reading Challenge

Join the Goodreads Author Program

Are you Jo Marchant, author of the books below?
The Human Cosmos by Jo Marchant Decoding the Heavens by Jo Marchant The Shadow King by Jo Marchant Cure by Jo Marchant A la luz de las estrellas by Jo Marchant In Search of Now by Jo Marchant Cure by Jo Marchant Cura't des de dins by Jo Marchant The Human Cosmos by Jo Marchant Helbredelsens psykologi by Jo Marchant


To join the author program as Jo Marchant, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


About the Author Program
Authors on Goodreads
Author Guidelines
Author Program How-To
Author & Advertisers Blog
Ask the Author: Featured Authors
About Goodreads