Secrets of the Purple Pearl

Kate McKinnon

$17.99

Paperback

Forthcoming
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English

HARPER360
14 October 2025

Series: The Millicent Quibb School of Etiquette for Young Ladies of Mad Science

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 Sharktüth, 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 Sharktüth, 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!

By: Kate McKinnon
Imprint: HARPER360
Country of Publication: United Kingdom
Volume: Book 2
Dimensions: Height: 198mm, Width: 129mm, Spine: 16mm
Weight: 220g
ISBN: 9780008710774
ISBN 10: 0008710775
Series: The Millicent Quibb School of Etiquette for Young Ladies of Mad Science
Pages: 256
Publication Date: 14 October 2025
Recommended Age: From 9 to 12 years
Audience: Children/juvenile , Children / Juvenile
Format: Paperback
Publisher's Status: Forthcoming

Kate McKinnon is an award-winning performer and writer, best known for her tenure as an Emmy Award-winning cast member on Saturday Night Live and most recently as 'Weird Barbie' in Greta Gerwig's Oscar-nominated worldwide blockbuster Barbie. The Millicent Quibb School of Etiquette for Young Ladies of Mad Science is her debut novel.