Books About Undercover Operations

The Best Undercover Operations Books for Kids

Looking for our other guide?

Explore our editor-reviewed guide to Spy Books, featuring 13 favorites and recommendations by age.

Looking for excellent children's books about undercover operations? 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.

#1 in Series

#1 in Series

#2 in Series

The Shortlist

Our 10 Favorite Books About Undercover Operations

Sale price

$958

Chapter Book · Ages 8–13 · 2007

The Mysterious Benedict Society

By Trenton Lee Stewart, Carson Ellis (Illustrator) · Book #1 in the The Mysterious Benedict Society series

Four kids face a secret mission at a ruleless institute. What will they uncover?

The E.B. White Read Aloud Award (2008)

485 pages· 117,838 words· Est. 13 hour read

7.0/7 Bookroo·4.2/5 Goodreads · 179,176 ratings

$9.99Save 4%

Paperback

Summary: Four gifted children, chosen through mind-bending tests, embark on a secret mission at the enigmatic Learning Institute for the Very Enlightened. With no rules to guide them, they must navigate hidden tunnels and unravel mysteries that challenge their wits and courage. Can they uncover the truth lurking beneath the surface, or will the institute's secrets remain hidden? Join them on a thrilling adventure where intelligence and creativity are their only allies.

Sale price

$2089

Chapter Book · Ages 14–18 · 2021

Firekeeper's Daughter

By Angeline Boulley

A Native teen uncovers deadly secrets while investigating a new drug in her community.

American Indian Youth Literature Honor (2022)Michael L. Printz Award (2022)

494 pages· 130,001 words· Est. 12 hour read

4.3/5 Goodreads · 211,335 ratings

$21.99Save 5%

Hardcover

Summary: Daunis Fontaine, caught between her hometown and Ojibwe roots, faces a life-altering choice after witnessing a murder. Drawn into an FBI probe of a dangerous drug, she must navigate hidden truths and old wounds. As deception and danger escalate, Daunis must decide how far she'll go to protect her community and embrace her identity as an Anishinaabe kwe. Will she uncover the truth before it destroys everything she holds dear?

Sale price

$1348

Chapter Book · Ages 12–18 · 2015

An Ember in the Ashes

By Sabaa Tahir · Book #1 in the An Ember in the Ashes series

A slave and a soldier defy an empire, risking everything for freedom.

480 pages· 124,141 words· Est. 11.5 hour read

4.2/5 Goodreads · 361,338 ratings

$13.99Save 4%

Paperback

Summary: In a brutal empire where defiance means death, Laia, a slave, must spy for rebels to save her brother. At the military academy, she meets Elias, a soldier yearning for freedom. Together, they face impossible choices that could alter the empire's fate. Will their intertwined destinies ignite hope or lead to destruction?

Sale price

$1248

Chapter Book · Ages 7–10 · 2018

Mac Undercover

By Mac Barnett, Mike Lowery (Illustrator) · Book #1 in the Mac B., Kid Spy series

A young boy receives a call from the Queen of England, asking for his help in retrieving a stolen spoon.

160 pages· 10,469 words· Est. 1.5 hour read

4.2/5 Goodreads · 2,452 ratings

$12.99Save 4%

Hardcover

Summary: Meet Mac B., a kid turned secret agent for the Queen of England. When the Crown Jewels vanish, Mac embarks on a global quest filled with secret identities and karate antics. Can he retrieve the treasure before it's too late? Dive into a world of humor, history, and adventure as Mac navigates the thrilling life of a young spy. Will his cleverness and courage be enough to solve the mystery? Join the chase and find out!

Sale price

$674

Chapter Book · Ages 8–12 · 2020

Out of Sight

Book #4 in the Kensy and Max series

Twins race against time to solve a mystery in the City of Lights.

368 pages

4.5/5 Goodreads · 280 ratings

$6.99Save 4%

Paperback

Summary: Kensy and Max face their first Pharos review, a crucial test with no room for error. As they juggle school play preparations, a series of mysterious disappearances and thefts propel them into a thrilling adventure. Racing to the City of Lights, they must unravel the mystery before time runs out. Can they succeed in their mission and uncover the truth?

Sale price

$674

Chapter Book · Ages 8–12 · 2020

Undercover: Volume 3

By Jacqueline Harvey · Book #3 in the Kensy and Max series

Young spies face a mission in Sydney that could save their parents.

400 pages

4.5/5 Goodreads · 320 ratings

$6.99Save 4%

Paperback

Summary: Kensy and Max are sent to a Sydney school on a covert mission. What starts as a simple task quickly escalates, demanding all their spy skills. With their parents' fate hanging in the balance, can they unravel the mystery before it's too late?

Sale price

$1049

Chapter Book · Ages 12–18 · 2014

Lone Wolf

By Robert Muchamore · Book #16 in the Cherub series

A teen's past collides with secret agents on a mission to expose a drug empire.

352 pages

4.3/5 Goodreads · 3,840 ratings

$10.99Save 5%

Paperback

Summary: Fay, fresh from a Secure Training Centre, seeks revenge on the streets. CHERUB agents Ryan and Ning need her insider knowledge to dismantle a drug ring. As they navigate a world where no one suspects children, Fay's enemies close in. Can they uncover the truth before time runs out? In a world where these young spies officially don't exist, danger lurks at every turn.

Graphic Nov.

Sale price

$1248

Chapter Book · Ages 7–10 · 2022

Heist and Seek

By John Patrick Green · Book #6 in the InvestiGators series

A group of investigators try to solve a mystery involving stolen paintings and a museum gala.

208 pages· 10,213 words· Est. 2 hour read

4.5/5 Goodreads · 1,359 ratings

$12.99Save 4%

Hardcover

Summary: Mango and Brash, sewer-surfing sleuths, dive into the art world to solve a daring heist. Disguised as painters, they must retrieve stolen masterpieces before the city museum's gala is ruined. Will they catch the crafty criminal or run out of time and appetizers? Join their thrilling chase through the art scene, where every brushstroke could reveal a clue or a trap. Can these quirky detectives save the day, or will the crook's cunning outsmart them? Discover the twists and turns in this action-packed adventure.

Sale price

$1797

Chapter Book · Ages 8–12 · 2021

Golden Gate

By James Ponti · Book #2 in the City Spies series

Young spies face a mole and double agents in a thrilling mission.

425 pages· 72,887 words· Est. 10 hour read

4.4/5 Goodreads · 10,157 ratings

$18.99Save 5%

Hardcover

Summary: Sydney, a rebellious young spy, embarks on a mission aboard a marine vessel, only to find herself in unexpected danger. As the City Spies uncover a mole within their ranks, they are led to San Francisco, where a dead spy's secrets unravel. With rogue missions and double agents at every turn, can they outsmart their adversaries before it's too late?

Sale price

$901

Chapter Book · 2008

Murder House

By Franklin W. Dixon · The Hardy Boys: Undercover Brothers series

Uncover the truth behind reality show's eerie accidents.

160 pages· 31,631 words

4.3/5 Goodreads · 347 ratings

$9.48Save 5%

Paperback

Summary: In the final days of the Deprivation House reality show, agents Frank and Joe Hardy race against time to unravel the truth behind a series of mysterious accidents. As secrets surface, the brothers face a shocking twist that could change everything. Can they solve the mystery before it's too late?

The Bookroo Book Club

Great books, picked for their age.

Books worth reading again and again, delivered to your door.

Find their book club

Browse by age

Undercover Operations Picture Books

Illustrated read-alouds about undercover operations for preschool and elementary-age readers.

Series

Sale price

$699

Secret Agent

Ages 4–8 · 2020

A spy cat uncovers a mysterious message and goes undercover to solve a case.

Sale price

$1799

Undercover Ostrich

Ages 4–9 · 2019

Uncover the mystery of sneaky ostriches and a hidden peanut mission.

Graphic Nov.

Sale price

$3422

The Greatest Show Unearthed

Ages 8–12 · 2020

Mysterious disappearances follow a circus's arrival. Can two kids uncover the truth?

View all undercover operations picture books

Browse by age

Undercover Operations Chapter Books & Middle Grade

Longer stories about undercover operations for developing and independent readers.

#34 in Series

Sale price

$799

Geronimo Stilton, Secret Agent

Ages 7–10 · 2008

A mouse must find a lost envelope with a red seal before it falls into the wrong paws.

#3 in Series

Sale price

$1299

Top Secret Smackdown

Ages 7–10 · 2019

A young boy is recruited by the Queen of England to solve a mystery involving stolen birds from the Tower of London

#1 in Series

Sale price

$899

Look Into My Eyes

Ages 10–13 · 2011

A young detective and her butler tackle secret missions and outsmart villains.

The Great Shelby Holmes and the Coldest Case

Series

Sale price

$999

The Great Shelby Holmes and the Coldest Case

Ages 8–12 · 2018

Young detectives go undercover as skaters to crack a coded mystery.

The Mysterious Benedict Society and the Riddle of Ages

#4 in Series

Sale price

$999

The Mysterious Benedict Society and the Riddle of Ages

Ages 8–12 · 2019

A reunited team faces a cunning villain and a telepathic foe in a race against time.

Series

Sale price

$699

Showoff

Ages 8–12 · 2012

A disgraced dog must win a championship to clear his name. Can a clever plan save him?

#1 in Series

Sale price

$1899

Undercover Latina

Ages 10–13 · 2022

A teenage girl is recruited by her spy parents to infiltrate a high school and befriend the son of a white supremacist in order to stop a planned terrorist attack.