Book Series · 5 Books

Invisible Inc. Books

In order from The Schoolyard Mystery to The Karate Class Mystery.

The Invisible Inc. series is a set of 5 chapter books by Elizabeth Levy, published between 1994 and 1996. Written for ages 4–9, most books run about 50 pages.

The Schoolyard Mystery
The Snack Attack Mystery
The Mystery of the Missing Dog
The Creepy Computer Mystery
The Karate Class Mystery
Where the story begins

First Book in the Series

The Schoolyard Mystery
Sale price
$379
Book #1 · Picture Book · Ages 4–8 · 1994

The Schoolyard Mystery

By Elizabeth Levy, Denise Brunkus (Illustrator)

Invisible boy and friends hunt for the missing school ball.

48 pages· 3,285 words· Est. 26 min read-aloud
$3.99Save 5%
Paperback
Summary: Chip, the invisible boy, teams up with his friends to unravel the mystery of the missing school ball. As they navigate the playground's secrets, can they uncover the truth before it's too late? Join their adventure filled with unexpected twists and turns.
The complete set

Invisible Inc. Series

5 books · Published 1994–1996

Sale price
$399

The Creepy Computer Mystery

Chapter Book · Ages 7–9 · 1996

Mysterious messages haunt a class's online invitation. Can an unseen ally save them?

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Common Questions

How many books are in the Invisible Inc. series?

There are 5 books in the Invisible Inc. series. It began with The Schoolyard Mystery in 1994, and the newest book, The Karate Class Mystery, was published in 1996.

What ages are the Invisible Inc. books best for?

The series is best for ages 4–9, based on the age ranges of the individual books.

The people

The Creatives Behind the Books

The people who bring Invisible Inc. to life.

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