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10 Best childrens mystery wonders books of 2026

Save up to 62% off
  • Best Choice

    1

    What Can You See in the Bottom of the Sea? A Journey to the Mariana Trench Grade 5 | Children's Mystery & Wonders Books
    Baby Professor
    9.8
    Exceptional

    What Can You See in the Bottom of the Sea? A Journey to the Mariana Trench Grade 5 | Children's Mystery & Wonders Books

    11% Off
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  • Value for Money

    2

    DK Children's Anthologies Set of 6 Books. Wonders of Nature, Mysteries of the Universe, Anthology of Intriguing Animals, Dinosaurs and other Prehistoric Life, Aquatic Life & Our Extraordinary Earth
    Generic
    9.7
    Exceptional

    DK Children's Anthologies Set of 6 Books. Wonders of Nature, Mysteries of the Universe, Anthology of Intriguing Animals, Dinosaurs and other Prehistoric Life, Aquatic Life & Our Extraordinary Earth

    27% Off

  • 3

    Noveloop Complete 26 Books A to Z Mysteries Paperback Series Box Set
    Noveloop
    9.5
    Excellent

    Noveloop Complete 26 Books A to Z Mysteries Paperback Series Box Set

  • 4

    Magic Tree House Boxed Set, Books 1-4: Dinosaurs Before Dark, The Knight at Dawn, Mummies in the Morning, and Pirates Past Noon
    Penguin
    9.3
    Excellent

    Magic Tree House Boxed Set, Books 1-4: Dinosaurs Before Dark, The Knight at Dawn, Mummies in the Morning, and Pirates Past Noon

    62% Off
    • Books Included:1-4
    • Page Count:80
    • Title:Magic Tree House Boxed Set
    • Format:Paperback
    • Edition:Illustrated

  • 5

    Unboring World's Wonders Mysteries for Kids: Funny, Fascinating Guide to the World’s Strangest Wonders, Weird Facts, and Unexplained Mysteries ... Activities for Classrooms and Homeschoolers)
    Independently published
    9.2
    Excellent

    Unboring World's Wonders Mysteries for Kids: Funny, Fascinating Guide to the World’s Strangest Wonders, Weird Facts, and Unexplained Mysteries ... Activities for Classrooms and Homeschoolers)

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  • 6

    The Book of Mysteries, Magic, and the Unexplained
    DK
    8.9
    Very Good

    The Book of Mysteries, Magic, and the Unexplained

    37% Off

  • 7

    100,000 Whys for Kids: Volume 2: A Full-Color Illustrated Encyclopedia of New Big Questions, Clear Answers, Science, Space, Animals, Nature, History, ... for Ages 6–13 (Visual Whys Encyclopedia)
    Independently published
    8.6
    Very Good

    100,000 Whys for Kids: Volume 2: A Full-Color Illustrated Encyclopedia of New Big Questions, Clear Answers, Science, Space, Animals, Nature, History, ... for Ages 6–13 (Visual Whys Encyclopedia)

  • 8

    National Geographic Little Kids First Big Book of Why: Questions and Answers About the World for Curious Kids
    National Geographic Kids
    8.3
    Good

    National Geographic Little Kids First Big Book of Why: Questions and Answers About the World for Curious Kids

    46% Off
    • lexile measure:NC630L
    • grade level:Preschool - Kindergarten
    • item weight:2.31 pounds
    • reading age:3 - 6 years, from customers
    • publisher:National Geographic Kids 1st edition May 10, 2011

  • 9

    A Wonder Book: Heroes and Monsters of Greek Mythology (Dover Children's Evergreen Classics)
    Dover Publications
    8.1
    Good

    A Wonder Book: Heroes and Monsters of Greek Mythology (Dover Children's Evergreen Classics)

    40% Off

  • 10

    What Do We Know About the Mystery of D. B. Cooper?
    Penguin Workshop
    7.9
    Good

    What Do We Know About the Mystery of D. B. Cooper?