Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best childrens science fiction mysteries of 2026
Save up to 54% off
Best Choice1
CREATESPACE9.9Exceptional
The Secret Lake: A children's mystery adventure (Secret Lake Mystery Adventures)
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grade level:Preschool - 1
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item weight:5.5 ounces
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reading age:8 - 11 years, from customers
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paperback:122 pages
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publisher:Well Said Press August 4, 2011
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Thousands of users trust our site daily- Based on millions of stores and reviews
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Value for Money2
Orbit9.6Exceptional
Children of Time
54% Off
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3
Versify9.5Excellent
The Last Last-Day-of-Summer: A Middle Grade Mystery Adventure About Two Sleuths Racing to Save Their Town for Kids (Ages 8-12) (A Legendary Alston Boys Adventure, 1)
37% Off
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4
Simon & Schuster9.2Excellent
The Everything Kids' Science Experiments Book: Boil Ice, Float Water, Measure Gravity-Challenge the World Around You! (Everything® Kids Series)
34% Off-
Page Count:144
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Series:Everything Kids Series
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Title:The Everything Kids' Science Experiments Book
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Format:Paperback
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Publisher:Everything
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5
Knowledge Forest Press9.0Excellent
Hannah Saves the World: Book 1: Middle Grade Mystery Fiction
28% Off
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6
Quill Tree Books8.9Very Good
Greystone Secrets #1: The Strangers: A Thrilling Sci-Fi Adventure About Identity and the Multiverse for Kids (Ages 8-12)
32% Off
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Yearling8.8Very Good
Hoot
44% Off-
lexile measure:760L
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grade level:5 - 6
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item weight:7.4 ounces
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reading age:9 - 12 years, from customers
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paperback:292 pages
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8
HarperCollins8.5Good
A Thousand Pieces of You: A YA Sci-Fi Thriller of Murder and Mystery Across Dimensions (Firebird, 1)
31% Off
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9
Clarion8.4Good
Cut Off: A Haunting YA Sci-Fi Mystery Thriller of Survival and Secrets in Virtual Reality
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10
Random House Books for Young Readers8.1Good
Snowbound Mystery (The Boxcar Children Mysteries)
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