Book Series · 7 Books

Key Hunters Books

In order from The Mysterious Moonstone to Battle of the Bots.

Where the story begins

First Book in the Series

Sale price

$574

Book #1 · Chapter Book · Ages 7–10 · 2016

The Mysterious Moonstone

By Eric Luper, Lisa K. Weber (Illustrator)

Two students are transported into a book and must solve a mystery to escape.

111 pages· 10,038 words· Est. 1.5 hour read

$5.99Save 4%

Paperback

Summary: Cleo and Evan's friend is lost within the pages of a dangerous book. To rescue her, they must solve a mystery involving a stolen diamond and a mansion full of suspects. As they go undercover with a rookie detective, they must find the right key to escape. Will they catch the crook in time, or be trapped in the story forever?

In reading order

Key Hunters Series

7 books · Published 2016–2018

#1 in Series

Sale price

$574

The Mysterious Moonstone

Chapter Book · Ages 7–10 · 2016

Two students are transported into a book and must solve a mystery to escape.

#2 in Series

Sale price

$574

The Spy's Secret

Chapter Book · Ages 7–10 · 2016

Two kids must become spies to rescue a friend trapped in a dangerous book.

#3 in Series

Sale price

$574

The Haunted Howl

Chapter Book · Ages 7–10 · 2016

A friend is trapped in a book. Can Cleo and Evan break the werewolf curse before it's too late?

#4 in Series

Sale price

$574

The Wizard's War

Chapter Book · Ages 7–10 · 2017

A friend is trapped in a book. Can Cleo and Evan find the key to save her?

#5 in Series

Sale price

$574

The Titanic Treasure

Chapter Book · Ages 7–10 · 2017

Two friends travel through a magical library and find themselves on the ill-fated Titanic, where they must solve a mystery and retrieve a valuable book before it's too late.

#6 in Series

Sale price

$574

The Risky Rescue

Chapter Book · Ages 7–10 · 2017

Lost in a jungle, two kids must find a key to escape danger.

#7 in Series

Sale price

$474

Battle of the Bots

Chapter Book · Ages 7–10 · 2018

A dangerous book holds the key to stopping a rogue AI. Can they survive the showdown?

Good to know

Common Questions

How many books are in the Key Hunters series?

There are 7 books in the Key Hunters series. It began with The Mysterious Moonstone in 2016, and the newest book, Battle of the Bots, was published in 2018.