Skip to content
Description
By: Kiersten White
A middle-grade mystery series that's spooky, creepy, and filled with gothic twists! Meet the Sinister-Winterbottom twins, who solve mysteries at increasingly bizarre summer vacation destinations in the hopes of being reunited with their parents—or at the very least finally finding a good churro.
“An absolute delight. If I have to die in a waterpark, I want to die in this one.”—Holly Black, #1 New York Times bestselling author of The Cruel Prince
"Wickedly weird. . . . Will appeal to anyone who loved A Series of Unfortunate Events." —The New York Times
Meet the Sinister-Winterbottoms: brave Theo, her timid twin, Alexander, and their older sister, Wil. They’re stuck for the summer with their Aunt Saffronia, who doesn’t know how often children need to eat and can’t use a smartphone, and whose feet never quite seem to touch the floor when she glides—er—walks.
When Aunt Saffronia suggests a week pass to the Fathoms of Fun Waterpark, they hastily agree. But the park is even stranger than Aunt Saffronia. The waterslides look like gray gargoyle tongues. The employees wear creepy black dresses and deliver ominous messages. An impossible figure is at the top of the slide tower, people are disappearing, and suspicious goo is seeping into the wave pool.
Something mysterious is happening at Fathoms of Fun, and it’s up to the twins to get to the bottom of it. The mystery, that is. NOT the wave pool. Definitely NOT the wave pool. But are Theo and Alexander out of their depth?
A middle-grade mystery series that's spooky, creepy, and filled with gothic twists! Meet the Sinister-Winterbottom twins, who solve mysteries at increasingly bizarre summer vacation destinations in the hopes of being reunited with their parents—or at the very least finally finding a good churro.
“An absolute delight. If I have to die in a waterpark, I want to die in this one.”—Holly Black, #1 New York Times bestselling author of The Cruel Prince
"Wickedly weird. . . . Will appeal to anyone who loved A Series of Unfortunate Events." —The New York Times
Meet the Sinister-Winterbottoms: brave Theo, her timid twin, Alexander, and their older sister, Wil. They’re stuck for the summer with their Aunt Saffronia, who doesn’t know how often children need to eat and can’t use a smartphone, and whose feet never quite seem to touch the floor when she glides—er—walks.
When Aunt Saffronia suggests a week pass to the Fathoms of Fun Waterpark, they hastily agree. But the park is even stranger than Aunt Saffronia. The waterslides look like gray gargoyle tongues. The employees wear creepy black dresses and deliver ominous messages. An impossible figure is at the top of the slide tower, people are disappearing, and suspicious goo is seeping into the wave pool.
Something mysterious is happening at Fathoms of Fun, and it’s up to the twins to get to the bottom of it. The mystery, that is. NOT the wave pool. Definitely NOT the wave pool. But are Theo and Alexander out of their depth?
You may also like
熱銷中 Top Trending
Save 60%
Save 45%
Billy and the Mini Monsters #16 Monsters at Easter
Sale priceHK$46.00
Regular priceHK$84.00
In stockSave 38%
Billy and the Mini Monsters #15 Monsters at the Zoo (Zanna Davidson)
Sale priceHK$45.00
Regular priceHK$72.00
In stock
Save 38%
Save 34%
Percy Jackson and the Olympians: Wrath of the Triple Goddess International Edition
Sale priceHK$92.00
Regular priceHK$140.00
In stockSave 30%
Save 41%
Lifespan: Why We Age – and Why We Don’t Have To (David A. Sinclair)
Sale priceFrom HK$131.00
Regular priceHK$221.00
In stockSave 35%
Save 35%
Billy and the Mini Monsters #01 Monsters in the Dark (Paperback) (Zanna Davidson)
Sale priceHK$47.00
Regular priceHK$72.00
In stockSave 38%
Billy and the Mini Monsters #05 Monsters go to a Party (Paperback) (Zanna Davidson)
Sale priceHK$45.00
Regular priceHK$72.00
In stockSave 37%
Usborne Musical Book: The Animal Orchestra Plays Mozart
Sale priceHK$99.00
Regular priceHK$156.00
In stock
Save 33%
Disney Pixar Character Encyclopedia Updated and Expanded
Sale priceFrom HK$134.00
Regular priceHK$200.00
Re-stocking soon
Save 34%
National Geographic Kids Almanac 2025 (International Edition)
Sale priceHK$105.00
Regular priceHK$160.00
In stock
