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 Secret Explorers and the Lost Whales
Alternatives—
Suggestions for What to Read Next
Recommended
chapter • 112 Pages
Series
Debbie Dadey, Tatevik Avakyan
chapter • 128 Pages
5.3
#1 in Series
Debbi Michiko Florence, Elizabet Vukovic
chapter • 144 Pages
#1 in Series
Andrea Beaty, David Roberts
chapter • 112 Pages
#1 in Series
Anna Branford, Elanna Allen
chapter • 128 Pages
#1 in Series
Paul McCusker, Marianne Hering
chapter • 144 Pages
#1 in Series
Jane O'Connor, Robin Preiss Glasser
chapter • 128 Pages
5.0
Series
Frances O’Roark Dowell, Amy June Bates
chapter • 112 Pages
5.0
#1 in Series
Patricia MacLachlan
chapter • 128 Pages
5.0
Series
Paula Harrison, Sophy Williams
chapter • 112 Pages
#1 in Series
Atinuke, Warwick Johnson Cadwell
chapter • 144 Pages
Series
Quvenzhané Wallis, Nancy Ohlin, Sharee Miller
chapter • 112 Pages
Series
Tom Angleberger, Jared Chapman
View more
Books about friendship
chapter • 144 Pages
7.0
#1 in Series
Thomas Rockwell, Emily Arnold Mccully
chapter • 131 Pages
6.4
E.B. White, Garth Williams
chapter • 112 Pages
5.5
Series
Doreen Cronin, Kevin Cornell
chapter • 128 Pages
5.3
#1 in Series
Debbi Michiko Florence, Elizabet Vukovic
chapter • 144 Pages
5.3
Series
Terry Catasus Jennings, Fatima Anaya
chapter • 144 Pages
5.3
Series
Hena Khan, Wastana Haikal
chapter • 144 Pages
5.3
Betty Brock, Wallace Tripp
picture • 144 Pages
5.3
Series
Graphic Nov.
Jordan Quinn, Glass House Graphics
chapter • 144 Pages
5.3
Sally Grindley, Tony Ross
chapter • 128 Pages
5.3
Series
Paula Harrison, Jenny Lovlie
chapter • 128 Pages
5.0
Series
Paula Harrison, Sophy Williams
chapter • 151 Pages
5.0
#1 in Series
Tony DiTerlizzi
View more
Books about mystery
chapter • 131 Pages
6.4
E.B. White, Garth Williams
chapter • 112 Pages
5.3
#1 in Series
Eve Titus, Paul Galdone
chapter • 112 Pages
5.2
#1 in Series
Kathleen Lane, Sarah Horne
chapter • 144 Pages
#1 in Series
Jane O'Connor, Robin Preiss Glasser
chapter • 128 Pages
#2 in Series
Geronimo Stilton
chapter • 128 Pages
Series
Lauren Baratz-Logsted
chapter • 144 Pages
Series
Lauren Baratz-Logsted
chapter • 111 Pages
#1 in Series
Eric Luper, Lisa K. Weber
chapter • 144 Pages
Series
Laura James, Emily Fox
chapter • 112 Pages
Series
Tom Angleberger, Jared Chapman
chapter • 152 Pages
Series
Graphic Nov.
Liam O'Donnell, Mike Deas
chapter • 128 Pages
Series
Daniel Nayeri, Anneliese Mak
View more
More books by
S.J. King
with a similar difficulty
chapter • 128 Pages
Series
S.J. King
View more
Trending books
chapter • 128 Pages
Whee Winn
chapter • 122 Pages
#1 in Series
Karen Inglis
chapter • 144 Pages
#1 in Series
Dustin Brady, Jesse Brady
chapter • 124 Pages
5.4
#1 in Series
Louis Sachar, Adam McCauley, Julie Brincklo
chapter • 105 Pages
5.8
Andrew Clements, Brian Selznick
chapter • 120 Pages
#1 in Series
Judy Blume
chapter • 104 Pages
Series
Lauren Tarshis, Scott Dawson
chapter • 148 Pages
#1 in Series
Richard Atwater, Florence Atwater
chapter • 128 Pages
Series
Mike Nawrocki, Luke Séguin-Magee
chapter • 104 Pages
Roald Dahl, Quentin Blake
chapter • 124 Pages
Series
Betty G. Birney
chapter • 128 Pages
#1 in Series
Ari Avatar
View more
Books about marine life
picture • 104 Pages
4.5
Megumi Iwasa, Jun Takabatake
chapter • 125 Pages
#1 in Series
Wendy Orr, Kerry Millard
chapter • 112 Pages
Series
Debbie Dadey, Tatevik Avakyan
chapter • 135 Pages
Stephen Bench-Capon
chapter • 103 Pages
Series
Emma Carlson Berne, Erwin Madrid
chapter • 112 Pages
#1 in Series
Ace Landers
chapter • 128 Pages
Series
Davy Ocean, Aaron Blecha
chapter • 128 Pages
Series
Lisa Ann Scott
chapter • 128 Pages
Series
Jessica Cramp
chapter • 144 Pages
Ms. Gabrielle Reyes
Books about climate change
chapter • 140 Pages
Series
Graphic Nov.
Cathy Camper, Raúl the Third
Classics
chapter • 144 Pages
#1 in Series
Astrid Lindgren, Ingrid Vang Nyman, Susan Beard
chapter • 144 Pages
7.0
#1 in Series
Thomas Rockwell, Emily Arnold Mccully
chapter • 131 Pages
6.4
E.B. White, Garth Williams
chapter • 112 Pages
5.3
#1 in Series
Eve Titus, Paul Galdone
chapter • 134 Pages
5.1
#1 in Series
Beverly Cleary, Paul O. Zelinsky
chapter • 104 Pages
Series
Arthur Conan Doyle, Louise Benette, David Hwang
chapter • 128 Pages
Hannah Hurnard
picture • 112 Pages
#1 in Series
Shel Silverstein
chapter • 116 Pages
James Barkley
chapter • 149 Pages
#1 in Series
Robert McCloskey
chapter • 128 Pages
Marguerite de Angeli
chapter • 115 Pages
Dick King-Smith, Melissa Manwill Kashiwagi
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
© 2025 Bookroo
Terms of Service
Privacy Policy