Books About Secret Agents

The Best Secret Agents Books for Kids

Looking for excellent children's books about secret agents? 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.

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The Shortlist

Our 10 Favorite Books About Secret Agents

Sale price

$1797

Chapter Book · Ages 8–12 · 2026

Europa

By James Ponti · Book #7 in the City Spies series

Spies race to stop a criminal's escape and prevent attacks across Europe.

384 pages· 61,693 words· Est. 8.5 hour read

4.5/5 Goodreads · 1,651 ratings

$18.99Save 5%

Summary: The City Spies face their toughest mission yet as a criminal mastermind threatens chaos unless freed. Racing through Rome, Paris, London, and Amsterdam, they must solve cryptic codes and unravel clues to prevent disaster. Can they outsmart the villain and keep Europe safe?

Sale price

$759

Chapter Book · Ages 7–10 · 2013

Mouse in Space!

By Geronimo Stilton · Book #52 in the Geronimo Stilton series

A secret mission to space to stop a villain's inventions threatens New Mouse City. Can it be done?

128 pages· 8,557 words· Est. 1 hour read

4.2/5 Goodreads · 2,027 ratings

$7.99Save 5%

Summary: Geronimo Stilton faces his most daring challenge yet when an evil professor threatens New Mouse City with dangerous inventions. Tasked with a top-secret mission, Geronimo must venture into outer space, unprepared and unsure. Will he thwart the villain's plot and save the city, or will his fears get the best of him? Join Geronimo on an out-of-this-world adventure filled with unexpected twists and high stakes.

Sale price

$958

Chapter Book · Ages 10–13 · 2013

Curse of the Broomstaff

By Tyler Whitesides · Book #3 in the Janitors series

A secret society battles to stop magical chaos from destroying the world.

345 pages· 73,656 words· Est. 8 hour read

4.3/5 Goodreads · 2,342 ratings

$9.99Save 4%

Summary: Spencer and Daisy, part of a secret society of janitors with magical powers, race against time to stop the Bureau of Educational Maintenance. With deadly foes and monstrous Toxites pursuing them, they must uncover the source of magical Glop. Their journey leads to the mysterious Aurans, guardians of a hidden landfill, where revelations could alter their destinies and the world's fate. Can they succeed before it's too late?

Graphic Nov.

Sale price

$1248

Chapter Book · Ages 7–10 · 2021

Off the Hook

By John Patrick Green · Book #3 in the InvestiGators series

A secret agent must stop a villainous waffle from taking over the city.

208 pages· 8,739 words· Est. 1.5 hour read

4.5/5 Goodreads · 1,860 ratings

$12.99Save 4%

Summary: Mango and Brash, sewer-loving secret agents, face their toughest challenge yet in 'InvestiGators: Off the Hook.' Their nemesis, Crackerdile, returns in a shocking new form, assembling a team of super villains. With the fate of the GATOR good at stake, the duo must decide between self-preservation and capturing the crooks. Will they outsmart their enemies and ensure justice prevails? Dive into this zany adventure to find out!

The Search for the Sunken Treasure: Australia

Sale price

$574

Chapter Book · Ages 6–9 · 2006

The Search for the Sunken Treasure: Australia

By Elizabeth Singer Hunt · Book #2 in the Secret Agent Jack Stalwart series

A daring mission to the Great Barrier Reef uncovers pirates and deadly creatures. Can he survive?

128 pages· 10,017 words· Est. 2 hour read

4.2/5 Goodreads · 478 ratings

$5.99Save 4%

Summary: Jack dives into danger at the Great Barrier Reef, investigating a diver's disappearance. Armed with a morphing suit and an egg-shaped submarine, he uncovers a pirate plot. Facing Komodo dragons, sharks, and lethal jellyfish, Jack must outwit the villains and survive the ocean's perils. Will he rescue the diver and protect the treasure, or become another victim of the deep? Adventure and suspense await as Jack battles nature and nefarious foes.

Graphic Nov.

Sale price

$1597

Chapter Book · Ages 9–12 · 2020

Ark Angel (Graphic Novel)

By Anthony Horowitz, Antony Johnston, Amrit Birdi (Illustrator) · Book #6 in the Alex Rider: The Graphic Novel series

A teen spy uncovers a plot to use a space hotel as a weapon.

176 pages· 11,939 words· Est. 2 hour read

4.1/5 Goodreads · 226 ratings

$15.99

Summary: Teen spy Alex Rider stumbles into a deadly conspiracy involving a billionaire's son and a space hotel with the power to obliterate the Pentagon. As Alex navigates this high-stakes mission, he must unravel the truth behind Ark Angel before it's too late. Can he stop the impending disaster, or will the world face catastrophic consequences? Dive into this gripping graphic novel where every move could be Alex's last.

Graphic Nov.

Sale price

$1697

Picture Book · Ages 4–8 · 2018

Lyric McKerrigan, Secret Librarian

By Jacob Sager Weinstein, Vera Brosgol (Illustrator)

A secret librarian battles to save books from an evil genius.

40 pages· 492 words· Est. 6 min read-aloud

4.1/5 Goodreads · 1,036 ratings

$17.99Save 6%

Summary: Lyric McKerrigan, a secret librarian, faces her greatest challenge: an evil genius plotting to destroy every book. Armed with clever disguises and the perfect book for every situation, she must outsmart this villain to save the world's stories. Can her unique skills and quick thinking thwart his sinister plan, or will books vanish forever? Dive into a whimsical adventure where the power of reading becomes the ultimate weapon against darkness.

Sale price

$674

Chapter Book · Ages 8–11 · 2005

For Your Paws Only

By Heather Vogel Frederick · Book #2 in the Spy Mice series

A group of mice must stop a group of rats from taking over the world.

240 pages· 44,695 words· Est. 6 hour read

5.0/7 Bookroo experts·3.9/5 Goodreads · 98 ratings

$6.99Save 4%

Summary: Glory Goldenleaf, a daring spy mouse, embarks on her first solo mission in New York City to stop the villainous rat Roquefort Dupont. Meanwhile, fifth-grader Oz Levinson is in town for a junior bake-off contest. When Glory is kidnapped, Oz and his friend D.B. must use their wits and spy skills to rescue her and foil the rats' sinister plan. Can they save Glory and still win the bake-off? Adventure, danger, and delicious desserts await in this thrilling tale.

Graphic Nov.

Sale price

$2374

Chapter Book · Ages 8–12

Spy School Secret Service the Graphic Novel

By Stuart Gibbs, Anjan Sarkar (Illustrator)

A young spy must stop an assassination plot inside the White House.

224 pages· 14,878 words· Est. 3 hour read

4.1/5 Goodreads · 7 ratings

$24.99Save 5%

Summary: Thirteen-year-old Ben Ripley faces his toughest mission yet: infiltrate the White House to thwart a deadly plot against the president. Alone and under pressure, Ben must navigate a web of deception, where even trusted allies might turn against him. As the clock ticks, can Ben outsmart a cunning enemy and save the nation, or will betrayal from within spell disaster? Dive into a world of espionage, where every decision could be his last.

Graphic Nov.

Picture Book · 2010

Scooby-Doo! Dead & Let Spy

By Alex Simmons, Robert Pope (Illustrator)

A haunting at the White House challenges a team of young detectives.

24 pages· 1,052 words

3.8/5 Goodreads · 29 ratings

Summary: Join a team of teenage sleuths as they tackle a chilling mystery at the White House. With ghosts lurking and secrets to uncover, can they solve the case before it's too late?

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