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Aliens crash-land on Earth; can they rescue their captured sister from Area 51?
A talking tomcat claims to be a great-grandpa needing help.
Is Zack's substitute teacher a werewolf or just eccentric?
Zack encounters a teenage mummy. What ancient secrets will unravel?
A long-dead queen takes over Zack's body, causing chaos and conflict.
Zack's Hawaiian vacation turns into chaos. Is a cursed lava rock to blame?
A boy discovers he can read minds after getting an electric shock in science class and must navigate this new ability while trying to uncover a potential murderer in his school
33
Authored
0
Illustrated
4
Collaborators
Chapter books
33
Books published each year, stacked by book type.
The share of the catalog represented by each book type.
33
books
Every title in the Bookroo library, ordered from newest to oldest.
Aliens crash-land on Earth; can they rescue their captured sister from Area 51?
Twins face bizarre dangers in a forest with eerie secrets.
Trespassers face a wild fate at a mysterious tiger ranch.
A boy's Halloween dance date is a time-traveling girl fleeing the Salem witch trials.
A mysterious blob grows uncontrollably. Can two boys stop it before it devours everything?
A liar's fibs lead to an unexpected, growing consequence. Can he stop it?
Is Zack's substitute teacher a werewolf or just eccentric?
Zack encounters a teenage mummy. What ancient secrets will unravel?
Locked in a museum, a boy uncovers prehistoric secrets and chaos.
A dinosaur egg, a microwave, and chaos ensues.
Grandma surprises everyone by playing in a White Sox game.
Zack's evening with a horror star reveals chilling secrets. Is Mella a real vampire?
A sleep-away camp's creature legend becomes a terrifying reality.
A long-dead queen takes over Zack's body, causing chaos and conflict.
A metal detector reverses time, making Grandma younger each day.
Shrunken Zack faces an ant army and their pharaoh-queen.
A computer glitch sends Zack to a medieval school for dragon slayers.
An alien's ship needs fuel, but the NYPD has it. Can Zack help?
Fortune cookies predict chaos. Is this Zack's unlucky break?
Zack hears Elvis from the fridge. Is he a turnip?
A hypnotist's show leaves Zack sharing his body with a stubborn spirit.
A boy discovers he can talk to dolphins. Can they uncover a sunken treasure together?
A clone solves problems but may become the biggest one.
Zack's Hawaiian vacation turns into chaos. Is a cursed lava rock to blame?
Two boys master astral travel but struggle to return to their bodies.
A museum visit turns eerie when an Egyptian cat statue comes to life.
A routine dental visit turns into a wild encounter with a mad scientist.
A talking tomcat claims to be a great-grandpa needing help.
A boy discovers he can read minds after getting an electric shock in science class and must navigate this new ability while trying to uncover a potential murderer in his school
A boy's room is haunted, and chaos ensues as objects move mysteriously.
Discover how a North Pole boy became the legendary gift-giver.
A boy meets his future son who traveled back in time.
A bite makes Zack rhyme nonstop. How will he break the spell?
Creative company
The authors and illustrators who share the credits across Dan Greenburg's books.
