The Diary Thief

Lola retreats to her new purple notebook, only for it to go completely missing from her desk on Friday afternoon. Someone is reading her raw thoughts. Lola is quickly adopted by two completely different allies: Réka Kun, a logical seventh-grade robotics whiz who views human behavior as data points, and Tamara 'Tommie' Stone, a chaotic, impulsive drama-club enthusiast. Together, they start a group chat and launch an investigation.

Réka maps out a spreadsheet analyzing suspect motives, narrowing the culprit down to either Bea Wenckheim or their history teacher, Mr. Bartlett. To catch the thief, the trio sets a trap in the grand library. Lola feeds a rumor to Sophie, the school’s most indiscreet gossip, about a scandalous note hidden inside a 1976 history book on Hungarian railway gauges in section K-7 on the third floor. Watching from an alcove, the girls catch Bea Wenckheim retrieving the bait without hesitation.

A public confrontation by the fountain reveals a twist: Bea didn't steal the diary. She was just curious, and she delivers a courtesy apology for a mean comment she posted on the school Discord . The true culprit is revealed when Mr. Bartlett keeps Lola after class and slides her purple notebook across his desk. He picked it up by mistake during the long break because his own notebook is also small and purple. But the real mystery begins when he hands her a second object: an ancient, cracked brown leather notebook from 1893 that someone planted among his things to guide him to Lola.

Lola reads the faded pages of Louisa Ivybridge, the school's founder, who fled under mysterious circumstances. The diary contains a terrifying warning: 'If this book is ever made public, all seventeen of us will not see the spring'. It details a secret Reading Circle passed down through chosen girls. Lola looks at the list of the original seventeen members and finds her great-great-great-great-grandmother, Margaret Vance, inscribed on the page. Her grandmother admits she is part of the modern Circle, currently fighting a quiet war against Marcus Wenckheim—Bea's powerful father—who wants to seize the diaries and sell them to a private collector. Lola has been chosen, and the notebook has texted back a legacy she cannot undo.