The story is told through dual timelines—"Then" and "Now."

The character development in "Every Summer After" is also noteworthy, as Poppy and Travis evolve from childhood friends to mature adults with their own strengths and weaknesses. Fortune's writing brings the characters to life, making it easy for readers to become invested in their journey.

She stepped forward, placed her hand on the largest bottle—one that held the original notebook from 2013—and whispered the words she’d been writing in secret: The bottle responded with a flash of light so bright it seemed to erase the horizon.