Kill Joy is the gripping prequel novella to Holly Jackson’s bestselling A Good Girl’s Guide to Murder series. Set before the events of the first book, it introduces us to Pip Fitz-Amobi during a seemingly innocent murder mystery party that becomes anything but playful.

As Pip dives into the game, she finds herself questioning more than just the clues in front of her—she begins analyzing real motivations, justice, and the nature of truth itself. It’s the first glimpse into the mind of a future true crime investigator and the moment her obsession with uncovering secrets begins.

Tense, clever, and filled with the sharp writing that defines the series, Kill Joy is a must-read for fans of YA thrillers and newcomers alike.