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The Hardy Boys are back! Same boys, same thirst for mystery - but with a totally new attitude! There's new friends, new enemies - and a new set of wheels. Enter The Hardy Boys: Undercover Brothers. Criminals beware!

160 pages, Paperback

First published December 1, 2005

18 people are currently reading
297 people want to read

About the author

Franklin W. Dixon

735 books991 followers
Franklin W. Dixon is the pen name used by a variety of different authors who were part of a team that wrote The Hardy Boys novels for the Stratemeyer Syndicate (now owned by Simon & Schuster). Dixon was also the writer attributed for the Ted Scott Flying Stories series, published by Grosset & Dunlap.
Canadian author Leslie McFarlane is believed to have written the first sixteen Hardy Boys books, but worked to a detailed plot and character outline for each story. The outlines are believed to have originated with Edward Stratemeyer, with later books outlined by his daughters Edna C. Squier and Harriet Stratemeyer Adams. Edward and Harriet also edited all books in the series through the mid-1960s. Other writers of the original books include MacFarlane's wife Amy, John Button, Andrew E. Svenson, and Adams herself; most of the outlines were done by Adams and Svenson. A number of other writers and editors were recruited to revise the outlines and update the texts in line with a more modern sensibility, starting in the late 1950s.
The principal author for the Ted Scott books was John W. Duffield.

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5 stars
174 (42%)
4 stars
120 (28%)
3 stars
97 (23%)
2 stars
20 (4%)
1 star
3 (<1%)
Displaying 1 - 16 of 16 reviews
Profile Image for Gabe.
10 reviews1 follower
November 19, 2019
I gave this book a 5 because I loved it and I would recommend is to anyone who likes crime or mystery books. Its about Two brothers named Joe and Frank who go on a under cover mission at a camp in the woods to try to solve the murder of Zack Maguire. I liked this book because It was mystery and I didn't know before I read this that I liked Mystery. The ending was unexpecting which made the book so good too.
Profile Image for Gayatri.
245 reviews50 followers
May 29, 2015
Another hardy boys mystery. This one was nothing if not obvious. This was way faster than the other books I've read by them and didn't not have the same amount of mystery. Unfortunately I have nothing to say about this one. There was nothing to discuss. If you are a child and looking for a fast paced book this is it, otherwise I don't know what to say honestly
Thats all
Profile Image for Bookish Indulgenges with b00k r3vi3ws.
1,617 reviews258 followers
June 16, 2019
When I first read Hardy Boys, I think I was in class 5, I had such a crush on Frank Hardy. I liked the brainy one over the brawny one and that sums up my first impression of Hardy Boys.
In their late teens, Frank and Joe Hardy take after their detective father Fenton Hardy. Frank is the older of the two and has more breakthroughs in the cases because he is the brainy one. Joe is the younger brother who more often than not is useful when things get hot and they need to fight their way out.
Like Nancy Drew, the books in the The Hardy Boys series re written by ghostwriters under the collective pseudonym Franklin W. Dixon. And yes, the earlier books were better than the latter ones.
34 reviews
April 17, 2010
This book is about two teenage brothers named Frank and Joe Hardy who belonged to American Teens Against Crime. This was a group of kids who worked with the police when they needed someone under the age of 20 to get inside of a group to help solve a crime. They try to find out who killed Zack Maguire. This book took place at a camp called wilderness in Maine during spring. One Character in this book Linc Saunders was the leader of the camp. Saunders was a very strict man who thought that if the kids could step up to his challenges , they would become hard workers, feel better about themselves and become good citizens after they leave the camp. One external conflict one of the hardy boys have to go through is that frank's brother Joe was beaten brutally by unknown assailants dragged to a boat house and then set on fire. Frank sees every part of this but doesn't do anything because he is too scared. Frank then goes on a mission to find out who Joe's killer or killers were. His cabin mates were suspects and so were camp consulers , even Linc because they all disliked Joe and his antics in camp. The theme of this story is that you cannot accuse people until you get all the facts. This book should be rated 4 stars because it has so much suspense that it can keep you guessing on what can happen next. I would recommend this book to anyone who likes cliffhangers and suspenseful books.
Profile Image for Amy.
26 reviews
June 28, 2012
Hmmm... Not sure where to start. The beginning, I guess. Okay, so I thought that there was a lot more genuine undercover-ness (that's proabably not a word, but whatever) in this book than other ones that I have read, at least among the books where they pretended not to know each other. They actually managed to stay in character in a way that was much more convincing to me.

Darn. I was so sure that they were going to run into a bear at some point, considering the lecture their mom gave them about bear attacks. Oh well.

I honestly couldn't stop laughing during the part where Frank was acting loopy because of the pain-killers. It was hilarious! Although, I had to re-read some of the things he was saying because I couldn't quite understand it. But like Joe said, considering why he had to be in the infirmary in the first place, it sort of made it not as funny. Sort of. I still found it funny, though.

Even though I had figured out who the bad guy was, the twist at the end still got me. I was like, "Wait. What?!" I certainly wasn't expecting that connection.

Awesome book, overall.
Profile Image for David.
229 reviews9 followers
November 8, 2011
"Operation: Survival" sees ATAC agents Frank and Joe Hardy go undercover as juvenile delinquents. Camp Wilderness is supposed to help youth who are in conflict with the law get themselves sorted with the help of outdoor stuff like hiking and camping. Problem: one of those youths has ended up dead, and it kind of looks suspicious. Frank and Joe have to sort through the other teens sentenced to the camp and the tough camp councillors to find the killer. Good story.
52 reviews3 followers
April 14, 2016
My favorite parts were when Joe figured he'd imitate a monkey to get out of trouble, and when they referenced Nancy Drew (who apparently have a cool car and nice hair). I read a lot of the Hardy Boys when I was younger, but I had forgotten how funny the books are. The new series, Undercover, consists of easyreads, good humor and new playful mysteries. They finally have internet and their dad is partially retired. Worth checking out, no matter age!!
Profile Image for Jerry (Rebel With a Massive Media Library).
4,895 reviews88 followers
September 22, 2016
While this one was exciting and fun as usual, it was also edgier than I'm used to from this series. The two profanities were a bit surprising from a usually clean franchise. Other than that, I enjoyed it.
1 review
December 28, 2010
its a very good book and how hardys get in the prison was total amazing
Profile Image for Aarshi Ray.
32 reviews
June 6, 2012
Great book! Did not expect the ending 2 be what it was! (Would'nt like 2 tell u the ending as many of u might not hv read it!)
25 reviews30 followers
July 16, 2014
I was on such an adrenaline rush I finsihed it within a day. Wish all my books were like this. On to the next book
Profile Image for Varshil Changani.
3 reviews
February 24, 2016
Best from the Hardy boys stories.... wanted auther to add a few thousand more pages haha... wel built, judt PERFECT for children
Displaying 1 - 16 of 16 reviews

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