Sale price
$899
The Visitor
Ages 8–12 · 1996
Sale price
$474
Chapter Book · Ages 9–12 · 1998
The Unknown
Part of the Animorphs series
A hidden artifact reveals extraterrestrial life at Zone 91.
3.6 Goodreads · 5,225 ratings
166 pages· 570L
$4.99Save 5%
Not currently available from Bookroo. Also at Amazon.
Bookroo's summary
In a town buzzing with rumors, whispers of an artifact proving alien life have surfaced. Hidden within the enigmatic Zone 91, this discovery could change everything. Who's behind the secret, and what are they hiding? As curiosity grows, the truth could unravel the most secretive place on Earth. Will the mystery be unveiled, or will it remain buried in secrecy?
From the publisher
There’s a new rumor in town. Someone has discovered an item that proves life on other planets exists. And they’ve been hiding it on a base called Zone 91. The Most Secret Place On Earth.
At a glance
- Format
- Paperback
- Pages
- 166
- Reading age
- 9–12
- Audience
- Middle Grade
- Lexile
- 570L
Themes & topics
The series
The Animorphs series
Sale price
$799
The Invasion
Ages 8–12 · 1996
Sale price
$899
The Encounter
Ages 8–12 · 1996
Sale price
$499
The Message
Ages 8–12 · 1996
Your next read
Books that feel like this one
Sale price
$2499
The Odyssey
Ages 9–12 · 2026
Sale price
$999
Opening Moves
Ages 10–+ · 2017
The Last Archer
2017
Sale price
$1899
Mama's Bank Account
Ages 14–+ · 1943
Sale price
$1799
Opinions and Opossums
Ages 8–12 · 2023
Sale price
$1999
Snowman
Ages 8–12 · 2016
Timothy of the 10th Floor
2023
Sale price
$1699
Stinkbomb and Ketchup-Face and the Quest for the Magic Porcupine
Ages 8–12 · 2014
The fine print
Book details
Reading levels
- ATOS
- 4
- F&P level
- ~O
- AR points
- 4
- AR interest level
- MG
- AR quiz
- 18995
Publication
- Published
- January 1, 1998
- Publisher
- Scholastic
Edition
- Language
- English
- Type
- Chapter Book
Surprise a reader with their next favorite book.
Spotted a mistake or something missing? Improve this page.
Are you the author or illustrator? Claim your book.
Top contributors: Literary Leslie