Book Series · 20 Books

The Hardy Boys: Undercover Brothers Graphic Novels Books

In order from The Ocean of Osyria (Graphic Novel) to The Hardy Boys: Undercover Brothers, #20: Deadly Strategy. Part of The Hardy Boys.

The Hardy Boys: Undercover Brothers Graphic Novels series is a set of 20 graphic novels by Scott Lobdell, published between 2005 and 2010. Written for ages 8–12, most books run about 95 pages.

The Ocean of Osyria (Graphic Novel)

Malled (Graphic Novel)

The Hardy Boys: Undercover Brothers, #2: Identity Theft (Graphic Novel)

The Hardy Boys: Undercover Brothers, #3: Mad House (Graphic Novel)

Sea You, Sea Me! (Graphic Novel)

Where the story begins

First Book in the Series

The Ocean of Osyria (Graphic Novel)

Graphic Nov.

Sale price

$858

Book #1 · Chapter Book · Ages 8–12 · 2005

The Ocean of Osyria (Graphic Novel)

By Scott Lobdell, Daniel Rendon (Illustrator)

Two brothers race to clear their friend of art theft in a foreign land.

96 pages· 5,587 words· Est. 1 hour read

$8.99Save 5%

Paperback

Summary: Frank and Joe Hardy's world turns upside down when their friend Chet is accused of stealing a priceless art treasure. To prove his innocence, they must navigate the perilous landscapes of Osyria, a Middle Eastern country torn by conflict. As they search for the elusive Ocean of Osyria, the brothers face danger at every turn. Will they uncover the truth and save their friend, or will the secrets of Osyria remain hidden forever? Join the Hardy Boys on a thrilling adventure that tests their courage and detective skills to the limit.

The complete set

The Hardy Boys: Undercover Brothers Graphic Novels Series

20 books · Published 2005–2010

The Ocean of Osyria (Graphic Novel)

Graphic Nov.

Sale price

$858

The Ocean of Osyria (Graphic Novel)

Chapter Book · Ages 8–12 · 2005

Two brothers race to clear their friend of art theft in a foreign land.

Malled (Graphic Novel)

Graphic Nov.

Sale price

$795

Malled (Graphic Novel)

Chapter Book · Ages 8–12 · 2005

Trapped in a mall, Frank and Joe face chaos and a killer on the loose.

The Hardy Boys: Undercover Brothers, #2: Identity Theft (Graphic Novel)

Graphic Nov.

Sale price

$858

The Hardy Boys: Undercover Brothers, #2: Identity Theft (Graphic Novel)

Chapter Book · Ages 8–12 · 2005

A girl claims her life and body have been stolen. Is she mad or telling the truth?

The Hardy Boys: Undercover Brothers, #3: Mad House (Graphic Novel)

Graphic Nov.

Sale price

$759

The Hardy Boys: Undercover Brothers, #3: Mad House (Graphic Novel)

Chapter Book · Ages 8–12 · 2005

Teen detectives go undercover on a deadly reality show to solve a murder mystery.

Sea You, Sea Me! (Graphic Novel)

Graphic Nov.

Sale price

$899

Sea You, Sea Me! (Graphic Novel)

Chapter Book · Ages 8–12 · 2006

Teens vanish on a fishing boat. Can two detectives uncover the deadly secret before it's too late?

The Hardy Boys: Undercover Brothers, #7: The Opposite Numbers... (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #7: The Opposite Numbers... (Graphic Novel)

Chapter Book · Ages 8–12 · 2006

Framed for murder on a train, two boys must clear their names without help.

The Hardy Boys: Undercover Brothers, #6: Hyde & Shriek (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #6: Hyde & Shriek (Graphic Novel)

Chapter Book · Ages 8–12 · 2006

Can the Hardy Boys stop an assassin at a horror-themed party?

Board to Death (Graphic Novel)

Graphic Nov.

Sale price

$795

Board to Death (Graphic Novel)

Chapter Book · Ages 8–12 · 2007

Skateboarders face deadly threats. Can undercover detectives stop the killer?

The Hardy Boys: Undercover Brothers, #11: Abracadeath (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #11: Abracadeath (Graphic Novel)

Chapter Book · Ages 8–12 · 2007

Magicians vanish; Hardy Boys face illusionists.

The Hardy Boys: Undercover Brothers, #9: To Die or Not to Die (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #9: To Die or Not to Die (Graphic Novel)

Chapter Book · Ages 8–12 · 2007

Undercover at a drama contest, can they stop a deadly saboteur?

A Hardy's Day Night (Graphic Novel)

Graphic Nov.

Sale price

$759

A Hardy's Day Night (Graphic Novel)

Chapter Book · Ages 8–12 · 2007

A rogue agent's betrayal forces a race against time to save a kidnapped child.

The Hardy Boys: Undercover Brothers, #12: Dude Ranch O' Death! (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #12: Dude Ranch O' Death! (Graphic Novel)

Chapter Book · Ages 8–12 · 2008

Teens vanish at a ranch. Can undercover brothers solve the mystery?

The Hardy Boys: Undercover Brothers, #13: The Deadliest Stunt (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #13: The Deadliest Stunt (Graphic Novel)

Chapter Book · Ages 8–12 · 2008

A saboteur threatens a stunt competition. Can they be stopped before tragedy strikes?

The Hardy Boys: Undercover Brothers, #14: Haley Danelle's Top Eight! (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #14: Haley Danelle's Top Eight! (Graphic Novel)

Chapter Book · Ages 8–12 · 2008

Friends vanish from a social media list. Can they be found before it's too late?

The Hardy Boys: Undercover Brothers, #15: Live Free, Die Hardy! (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #15: Live Free, Die Hardy! (Graphic Novel)

Chapter Book · Ages 8–12 · 2008

Sisters crash a party, taking hostages. Can two brothers stop them in time?

The Hardy Boys: Undercover Brothers, #18: D.A.N.G.E.R. Spells the Hangman!

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #18: D.A.N.G.E.R. Spells the Hangman!

Chapter Book · Ages 8–12 · 2009

A madman threatens a spelling bee. Can they stop him in time?

The Hardy Boys: Undercover Brothers, #19: Chaos at 30,000 Feet!

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #19: Chaos at 30,000 Feet!

Chapter Book · Ages 8–12 · 2009

Kids vanish mid-flight. Can Frank and Joe solve the mystery before it's too late?

The Hardy Boys: Undercover Brothers, #16: Shhhhhh! (Graphic Novel)

Graphic Nov.

Sale price

$795

The Hardy Boys: Undercover Brothers, #16: Shhhhhh! (Graphic Novel)

Chapter Book · Ages 8–12 · 2009

Brothers guard dignitary's kids on a field trip, needing unexpected help.

The Hardy Boys: Undercover Brothers, #17: Word Up! (Graphic Novel)

Graphic Nov.

Sale price

$1295

The Hardy Boys: Undercover Brothers, #17: Word Up! (Graphic Novel)

Chapter Book · Ages 8–12 · 2009

Death threats target a radio host. Can two brothers uncover the truth before it's too late?

The Hardy Boys: Undercover Brothers, #20: Deadly Strategy

Graphic Nov.

Sale price

$858

The Hardy Boys: Undercover Brothers, #20: Deadly Strategy

Chapter Book · Ages 8–12 · 2010

Agents face chaos as a hacker targets A.T.A.C. Can the Hardy Boys uncover the truth?

Good to know

Common Questions

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

There are 20 books in the Hardy Boys: Undercover Brothers Graphic Novels series. It began with The Ocean of Osyria (Graphic Novel) in 2005, and the newest book, The Hardy Boys: Undercover Brothers, #20: Deadly Strategy, was published in 2010.

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

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

The people

The Creatives Behind the Books

The authors and illustrators who bring The Hardy Boys: Undercover Brothers Graphic Novels to life.

Scott Lobdell

Daniel Rendon

Paulo Henrique

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