@penguinbooks
Penguin BooksThe book of the summer has landed! THE SHAMPOO EFFECT by @jennyjacksonpineapple, the July @readwithjenna Book Club pick, is NOW AVAILABLE 👏 🫧 THE SHAMPOO EFFECT is a “funny, drama-fueled" (@cocomellors) novel about an ambitious young woman who insinuates herself into a tight-knit social set, shaking up friendships and marriages in a small seaside town. @nytimes raves, THE SHAMPOO EFFECT is "the platonic ideal of a beach read: fun and fast-paced, with a cover that screams, 'Can I borrow your sunscreen?'" Watch this video to see how author Jenny Jackson found out her book was a Read with Jenna pick and leave a comment if you're planning to read along!
On the profile · Jun 30, 2026