The Secret Astronomers

The Secret Astronomers by Jessica Walker is a highly illustrated epistolary novel published by Penguin Group on November 4, 2025. This engaging story follows two girls, Copernicus and Kepler, who forge an unexpected friendship through a diary kept in an ancient astronomy textbook at their high school in rural West Virginia. As they navigate their differences and personal challenges, they become united in their quest to uncover a decades-old mystery.
Readers will find a richly woven narrative that explores themes of friendship, family, and social issues, all while incorporating elements of coming-of-age experiences. The book features meticulously hand-drawn illustrations that enhance the storytelling, making it a unique addition to the Teen & Young Adult literature landscape. With a page count of 304, The Secret Astronomers invites readers to delve into a world of secrets, aspirations, and the power of connection across divides.
Official synopsis Publisher
Two strangers. One forgotten astronomy textbook. A decades-old secret.
A fascinating, highly illustrated, epistolary novel perfect for fans of Rainbow Rowell and Alice Oseman, featuring designed doodled edges!
When a recent transfer student starts keeping her diary in the oldest textbook at the Green Bank High School library, the last thing she expects is to receive a response. Thus begins a sweeping tale of unlikely friendship and long-buried secrets between two secret pen pals at a rural West Virginia high school.
Copernicus is adrift and searching for answers after the sudden death of her mother, and leaving her cosmopolitan life in San Francisco behind. Kepler is a small-town girl with straight A’s and big plans to be the first person in her family to go to college, despite her family’s modest means. The two girls are so different from one another but united in their goal to solve a mystery that has riddled Green Bank for decades.
Meticulously hand-drawn by debut author Jessica Walker across the pages of an actual ancient astrophysics textbook, The Secret Astronomers is a story of friendship, family, crop circles, secret crushes, giant telescopes, life in Appalachia, and two girls discovering new ways to connect across any divide that separates them.
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