The Mirror of Infinite Endings: A Once Upon a Broken Heart Companion

By Flatiron Author to Be Revealed September 2026 and Stephanie Garber

Return to the Magnificent North and the breathtaking love story that has captivated readers all over the world

Jacks and Evangeline Fox have finally found their happily ever after.

Everything here in the Hollow is wonderful and perfect.

Nothing is going to go wrong.

No one is keeping a secret . . . except for maybe one.

But don't worry, it's not going to rewrite reality or alter history or change the ending of Jacks and Evangeline's story.

Definitely not.

Featuring cameos from fan-favorite characters and twenty full-page illustrations by Lotusbubble, the newest installment in the Once Upon a Broken Heart universe will immerse readers once again in this beloved, #1 New York Times bestselling series. Because every story has the potential for infinite endings.

• Format: Hardcover
• Language: English
• ISBN: 1250462037
• ISBN13: 9781250462039
• Release Date: September 2026
• Publisher: Flatiron Books
• Length: 224 Pages
• Weight: 1.00 lbs.
• Dimensions: 1.0" x 6.1" x 9.3"
• Age Range: 13 to 18 years
• Grade Range: Grade 8 to Postsecondary