Book Series · 38 Books

The Hardy Boys: Undercover Brothers Books

In order from Running on Fumes to Murder at the Mall. Part of The Hardy Boys.

The Hardy Boys: Undercover Brothers series is a set of 38 chapter books by Franklin W. Dixon, published between 1978 and 2012. Written for ages 8–12, most books run about 160 pages.

Boardwalk Bust
Thrill Ride
Rocky Road
Operation: Survival
Top Ten Ways to Die
Where the story begins

First Book in the Series

Running on Fumes
Sale price
$674
Book #2 · Chapter Book · Ages 8–12 · 2005

Running on Fumes

By Franklin W. Dixon

Uncover the truth behind a utopian community's sinister plans in the oil industry.

160 pages· 25,967 words· Est. 3.5 hour read
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Paperback
In reading order

The Hardy Boys: Undercover Brothers Series

38 books · Published 1978–2012

#3
Boardwalk Bust
#3 in Series
Sale price
$759

Boardwalk Bust

Chapter Book · Ages 8–12 · 2005

Stop the jewelry heists in Ocean Grove before danger strikes.

#4
Thrill Ride
#4 in Series
Sale price
$699

Thrill Ride

Chapter Book · Ages 8–12 · 2005

Uncover the truth behind a mysterious death at Uncle Bernie's Fun Park.

#5
Rocky Road
#5 in Series
Sale price
$699

Rocky Road

Chapter Book · Ages 8–12 · 1998

Stop a plot to destroy Niagara Falls before it's too late.

#6
Burned
#6 in Series
Sale price
$574

Burned

Chapter Book · Ages 8–12 · 2005

Uncover the mastermind behind a global CD-burning ring using teens.

#7
Operation: Survival
#7 in Series
Sale price
$699

Operation: Survival

Chapter Book · Ages 8–12 · 2005

Uncover the deadly mystery haunting a troubled teens' camp in the Maine wilderness.

#9
Martial Law
#9 in Series
Sale price
$599

Martial Law

Chapter Book · Ages 8–12 · 2006

Two students injured at a martial arts center. Coincidence or conspiracy?

#10
Blown Away
#10 in Series
Sale price
$759

Blown Away

Chapter Book · Ages 8–12 · 2006

A bomb threat looms over a resort's auction and wedding. Can it be stopped in time?

#11
Hurricane Joe
#11 in Series
Sale price
$699

Hurricane Joe

Chapter Book · Ages 8–12 · 2006

Uncover the truth behind false hurricane warnings and burglaries in Bayport.

#12
Trouble in Paradise
#12 in Series
Sale price
$574

Trouble in Paradise

Chapter Book · Ages 8–12 · 2006

A diplomat's son vanishes in St. John. Can two agents crack the case before it's too late?

#14
Hazed
#14 in Series
Sale price
$699

Hazed

Chapter Book · Ages 8–12 · 2007

Uncover the truth behind a student's death at Eagle River Academy.

#18
Pushed
#18 in Series
Sale price
$699

Pushed

Chapter Book · Ages 8–12 · 2007

Uncover the truth behind a runaway teen's murder in NYC before more lives are lost.

#19
Foul Play
#19 in Series
Sale price
$948

Foul Play

Chapter Book · Ages 9–12 · 1978

Can the Hardy brothers stop a college football game from being rigged?

#20
Feeding Frenzy
#20 in Series
Sale price
$799

Feeding Frenzy

Chapter Book · Ages 8–12 · 2008

Uncover the truth behind a deadly mystery at a high-stakes hot dog eating contest.

#25
Double Trouble
#25 in Series
Sale price
$948

Double Trouble

Chapter Book · Ages 8–12 · 2008

The Hardy Boys unravel a celebrity stalking case with unexpected twists.

#26
Double Down
#26 in Series
Sale price
$948

Double Down

Chapter Book · Ages 8–12 · 2008

Twins' secrets unravel as the Hardy Boys race to solve a disappearance.

#28
Galaxy X
#28 in Series
Sale price
$948

Galaxy X

Chapter Book · 2009

Can the Hardy brothers stop a saboteur before Galaxy X's grand opening turns disastrous?

#29
X-plosion
#29 in Series
Sale price
$948

X-plosion

Chapter Book · 2009

Can Frank and Joe stop a saboteur before Galaxy X's grand opening?

#31
Killer Mission
#31 in Series
Sale price
$699

Killer Mission

Chapter Book · Ages 8–12 · 2009

Uncover the secrets behind mysterious accidents at an elite boarding school.

#34
The Children of the Lost
#34 in Series
Sale price
$599

The Children of the Lost

Chapter Book · Ages 8–12 · 2010

Children vanish in the woods, leaving a chilling mark. Can the boys solve the mystery before they too disappear?

#35
Lost Brother
#35 in Series
Sale price
$1375

Lost Brother

Chapter Book · Ages 9–12 · 2010

Joe races against time to find his missing brother in the woods.

#36
Forever Lost
#36 in Series
Sale price
$760

Forever Lost

Chapter Book · Ages 9–12 · 2011

Frank holds the key to solving mysterious abductions.

#37
Movie Menace
#37 in Series
Sale price
$599

Movie Menace

Chapter Book · Ages 8–12 · 2011

Uncover the truth behind mysterious arson on a movie set.

#38
Movie Mission
#38 in Series
Sale price
$699

Movie Mission

Chapter Book · Ages 8–12 · 2011

Can the Hardy brothers uncover who's threatening a movie star before chaos halts filming?

#39
Movie Mayhem
#39 in Series
Sale price
$599

Movie Mayhem

Chapter Book · Ages 8–12 · 2012

Uncover the mastermind behind the chaos on a movie set before it's too late.

Extreme Danger
Series
Sale price
$759

Extreme Danger

Chapter Book · Ages 8–12 · 2005

Can Frank and Joe Hardy stop a looming threat at the Big Air Games?

Murder at the Mall
Series
Sale price
$674

Murder at the Mall

Chapter Book · Ages 8–12 · 2007

Investigate threats at the mall; are environmentalists or someone else behind them?

Good to know

Common Questions

How many books are in the Hardy Boys: Undercover Brothers series?

There are 38 books in the Hardy Boys: Undercover Brothers series. It began with Running on Fumes in 2005, and the newest book, Murder at the Mall, was published in 2007.

What order should you read the Hardy Boys: Undercover Brothers books in?

Start with Running on Fumes and follow the series order — the books above are numbered #1 through #38.

What ages are the Hardy Boys: Undercover Brothers books best for?

The series is best for ages 8–12, based on the age ranges of the individual books.

The people

The Creative Behind the Books

The people who bring The Hardy Boys: Undercover Brothers to life.

01

Franklin W. Dixon

Author
FD

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