Bookroo
Shop
Kids Book Clubs
Curated, monthly book deliveries
Beautiful Collections
Sets of beautiful children's books
Mini-Clubs
Our favorite books in mini color sets
Create a Book Registry
Create a book wishlist and and share it with family and friends
Books
What's New in Books
View bestsellers, featured, top rated, classics, hidden gems, and new releases.
Find a Book
Explore books by genre, topic, reading level, or series to find your next read.
Preview Library
Need your next book? Read the first few pages of a book using our preview library.
Schools
Classroom Reading Tools
Reading challenges, digital rewards, and other tools to motivate readers.
Book Quizzes for Students
Validate reading with our book quizzes and custom assessments.
Host a Book Fair
Books for your students and funds for your classroom.
Search
Beta
The Mystery of the Secret Message
Alternatives—
Suggestions for What to Read Next
Recommended
chapter • 144 Pages
7.0
Thomas Rockwell, Emily Arnold Mccully
chapter • 144 Pages
#1 in Series
Gertrude Chandler Warner
chapter • 144 Pages
6.4
E.B. White
chapter • 128 Pages
6.0
#1 in Series
Phyllis Reynolds Naylor
chapter • 112 Pages
5.8
Andrew Clements, Brian Selznick
chapter • 128 Pages
5.8
#1 in Series
James Howe, Alan Daniel
chapter • 144 Pages
5.5
#1 in Series
Katherine Coville, Celia Kaspar
chapter • 112 Pages
#1 in Series
chapter • 118 Pages
Dick King-Smith
chapter • 136 Pages
#1 in Series
Jon Klassen, Amy Timberlake
chapter • 151 Pages
5.0
#1 in Series
Tony DiTerlizzi
chapter • 128 Pages
#1 in Series
Yona Zeldis McDonough, Heather Maione
View more
Books about siblings
chapter • 144 Pages
5.3
#1 in Series
Hena Khan
chapter • 144 Pages
Series
Susan Muaddi Darraj, Ruaida Mannaa
chapter • 144 Pages
#1 in Series
Jane O'Connor, Robin Preiss Glasser
chapter • 115 Pages
Series
chapter • 146 Pages
#1 in Series
Kimberly Willis Holt, Christine Davenier
chapter • 112 Pages
Ferida Wolff, Margeaux Lucas
chapter • 139 Pages
#1 in Series
Erin Falligant, Maike Plenzke
chapter • 152 Pages
Jennifer Kalis, Laurie B. Friedman
chapter • 152 Pages
Laurie B. Friedman, Jennifer Kalis
chapter • 112 Pages
#1 in Series
Ellen Potter, Qin Leng
chapter • 112 Pages
Patricia MacLachlan
chapter • 136 Pages
#1 in Series
Lauren Baratz-Logsted
View more
Books about mystery and detective
chapter • 128 Pages
5.8
#1 in Series
James Howe, Alan Daniel
chapter • 112 Pages
5.5
#1 in Series
Kevin Cornell, Doreen Cronin
chapter • 112 Pages
5.3
#1 in Series
Eve Titus, Paul Galdone
chapter • 128 Pages
#1 in Series
DK
chapter • 127 Pages
#1 in Series
John R. Erickson
chapter • 128 Pages
#1 in Series
Graphic Nov.
James Howe, Stephen Gilpin
chapter • 112 Pages
#1 in Series
Joanne Lew-Vriethoff
chapter • 136 Pages
#1 in Series
Lauren Baratz-Logsted
chapter • 128 Pages
#1 in Series
chapter • 112 Pages
#1 in Series
Jesse Joshua Watson
picture • 118 Pages
#1 in Series
Harper Paris, Marcos Calo
chapter • 144 Pages
#1 in Series
Gertrude Chandler Warner
View more
More books by
Gertrude Chandler Warner
with a similar difficulty
chapter • 144 Pages
#1 in Series
Gertrude Chandler Warner
View more
Trending books
chapter • 144 Pages
#1 in Series
Dustin Brady, Brady Jesse
chapter • 122 Pages
Karen Inglis
chapter • 128 Pages
#1 in Series
Ari Avatar
chapter • 128 Pages
Whee Winn
chapter • 144 Pages
#1 in Series
Aaron Blabey
chapter • 146 Pages
5.8
Roald Dahl, Quentin Blake
chapter • 144 Pages
#1 in Series
Remi Blackwood
chapter • 112 Pages
chapter • 127 Pages
#1 in Series
John R. Erickson
chapter • 125 Pages
#1 in Series
Graphic Nov.
Dav Pilkey
chapter • 144 Pages
Simcha Whitehill
chapter • 152 Pages
Carole P. Roman
View more
Books about orphans
chapter • 146 Pages
5.8
Roald Dahl, Quentin Blake
chapter • 144 Pages
5.5
#1 in Series
Katherine Coville, Celia Kaspar
chapter • 150 Pages
chapter • 144 Pages
#1 in Series
Gertrude Chandler Warner
chapter • 128 Pages
chapter • 144 Pages
#1 in Series
chapter • 104 Pages
Eric Walters, Claudia Davila, Danson Mutinda
chapter • 144 Pages
#1 in Series
Hannah Shaw
Books about statues
chapter • 120 Pages
Carla Killough McClafferty
Classics
chapter • 144 Pages
#1 in Series
Astrid Lindgren
chapter • 112 Pages
5.0
#1 in Series
Patricia MacLachlan
chapter • 104 Pages
L. Frank Baum, Charles Santore
chapter • 112 Pages
Series
David Hwang, Arthur Conan Doyle, Louise Benette
chapter • 128 Pages
William H. Armstrong
picture • 112 Pages
#1 in Series
Shel Silverstein
chapter • 128 Pages
Marguerite de Angeli
chapter • 128 Pages
Series
Astrid Lindgren, Ilon Wikland
chapter • 128 Pages
George MacDonald, Maurice Sendak
chapter • 127 Pages
#1 in Series
Robert Lawson
chapter • 117 Pages
William Steig
chapter • 149 Pages
Series
Herman Melville
View more
Bookroo
About Us
Blog
FAQs
Help Center
Contact Us
Affiliates
Book Clubs
B
Board Book Club
P
Picture Book Club
J
Junior Chapter Book Club
M
Middle Grade Book Club
Gift a Book Club
Book Store
B
Book Registries
Beautiful Collections
Schools
C
Classrooms
B
Book Fairs
Schedule Demo
Resources
Book Platform
Find a Book
Reading App
Community Editors
Authors & Illustrators
Get Your Book Reviewed
Submit Original Work
Follow Bookroo
© 2024 Bookroo
Terms of Service
Privacy Policy