Looking for excellent children's books about secret organizations? This collection brings together Bookroo's highest-rated and most useful picks in one place.
Start with our editorial favorites, then browse recommendations organized by reading stage to find the right book for your reader.
A boy on Mars discovers a dragon that could save their doomed colony.
A young sorcerer swallows a demon's fragment, igniting a battle against powerful curses threatening humanity.
Demon Slayers face deadly foes and hidden truths in Taisho-era Japan.
Unlock ancient secrets to stop a world-ending curse.
Kid geniuses tackle a global water crisis while evading a sinister corporation's kidnapping attempts.
David's quest for truth about Epics leads him to a perilous, flooded city.
Time travel, danger, and a mystery from the past threaten Max's mission to end child hunger.
Teen bodyguard faces terrorists to protect the First Daughter.
A blackout in Stonetown leads to a dangerous mystery for four young adventurers.
A boy with no memory races to uncover his identity and thwart a massive art fraud.
Longer stories about secret organizations for developing and independent readers.
A teen spy uncovers a sinister plot to brainwash kids in Paris. Can he stop it in time?
Siblings race against time to find a lost map or risk losing their family forever.
A teen uncovers dark secrets while solving a classmate's shooting.
Uncover the deadly mystery haunting a troubled teens' camp in the Maine wilderness.
A murder, a cursed mummy, and a race for treasure in Egypt.
A dragon vanishes in Basque mountains. Can the Unicorn Rescue Society save it?
Young garbologists battle rogue magical trash to save celebrations from chaos.
A summer camp's normal facade hides a strange mystery. Can the kids uncover the truth?
A young elf uncovers hidden secrets and faces mysterious dangers in a world of magic.
Trapped in a school, students face a hungry evil lurking in the dark.
Nightmares plague Lucella as a sinister figure threatens its peace. Can Ben and his friends stop the looming darkness?
A former villain becomes a spy dad. Can he balance both worlds?
