Secrets of the Purple Pearl

By Kate McKinnon

From Saturday Night Live legend Kate McKinnon comes the highly anticipated second book in her #1 New York Times bestselling series about mad science, three peculiar sisters, and the mysterious Millicent Quibb

It's summertime in Antiquarium and everyone has flocked to the majestic lakeside Purple Pearl Hotel, including the nefarious group of evil mad scientists, the Krenetics Research Association. They haven't given up on resurrecting their fearsome leader, Talon Sharkt th, and now, they're hot on the trail of the legendary Purple Pearl, a source of power that is rumored to be lost at the bottom of Kagloopy Lake. All they need to do now is find a mysterious creature called a Shrimpmaid, boil the lake (and everything in it) away, and pluck up the pearl

But Millicent, Gertrude, Eugenia, and Dee-Dee are onto them, and they are determined to stop the KRA, even though they are now full pariahs in Antiquarium society. While Millicent and the gang work together to prevent the second coming of Talon Sharkt th, they discover more secrets than they bargained for - including where they came from, and who they truly are...

It's a mad science summer vacation they'll never forget

Don't miss the first book in the series, The Millicent Quibb School of Etiquette for Young Ladies of Mad Science

• Format: Hardcover
• Language: English
• ISBN: 0316555290
• ISBN13: 9780316555296
• Release Date: September 2025
• Publisher: Little, Brown Books for Young Readers
• Length: 320 Pages
• Dimensions: 1.1" x 5.5" x 7.9"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7