The Hardy Boys Undercover Brothers Series
Author: Franklin W. Dixon
Number of Books in Series: 39
Age Group: 8 - 12 years
Reading Level: | AR Levels 3.7-5.2 GLE estimated 3.1-5.5 F&P/GRL estimated L-P DRA estimated 30-60 Lexile® measure 570L-770L | Companion/Related Series: list of all Hardy Boys series
Book 1 Summary: Frank and Joe travel to Philadelphia where they intend to prevent an attack on an extreme sports contest called the Big Air Games.
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Hardy Boys Undercover Brothers Book List:
Each story in this series can stand on its own, but the books are numbered which often means that there will be some minor details that carry over from earlier to later books, such as a new character being introduced in a book and reappearing in a later book when the readers are expected to have already met him/her. It's probably best to read these books in order but it's not critical.
Jump to Books: 11-20 21-30 31-39
Book 1: | Extreme Danger Ages 8-12. June 1, 2005. AR: 4.0 (4.0 Points, Quiz #87245)
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Book 2: | Running On Fumes Ages 8-12. June 1, 2005. AR: 4.0 (4.0 Points, Quiz #87247)
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Book 3: | Boardwalk Bust Ages 8-12. June 1, 2005. AR: 4.3 (4.0 Points, Quiz #87244)
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Book 4: | Thrill Ride Ages 8-12. June 1, 2005. AR: 4.1 (4.0 Points, Quiz #87251)
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Book 5: | Rocky Road Ages 8-12. August 1, 2005. AR: 4.2 (4.0 Points, Quiz #89421)
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Book 6: | Burned Ages 8-12. October 1, 2005. AR: 3.9 (4.0 Points, Quiz #102171)
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Book 9: | Martial Law Ages 8-12. March 1, 2006. AR: 4.1 (4.0 Points, Quiz #105490)
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Book 10: | Blown Away Ages 8-12. June 1, 2006. AR: 4.4 (4.0 Points, Quiz #107065)
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Book 11: | Hurricane Joe Ages 8-12. August 1, 2006. AR: 4.0 (4.0 Points, Quiz #108130)
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Book 13: | The Mummy's Curse Ages 8-12. November 1, 2006. AR: 4.7 (4.0 Points, Quiz #111921)
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Book 14: | Hazed Ages 8-12. February 1, 2007. AR: 4.0 (4.0 Points, Quiz #113037)
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Book 18: | Pushed Ages 8-12. September 25, 2007. AR: 4.2 (4.0 Points, Quiz #118514)
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Book 19: | Foul Play Ages 8-12. November 27, 2007. AR: 4.0 (5.0 Points, Quiz #119487)
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Book 20: | Feeding Frenzy Ages 8-12. January 8, 2008. AR: 4.3 (4.0 Points, Quiz #120402)
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Book 21: | Comic Con Artist Ages 8-12. March 25, 2008. AR: 4.3 (4.0 Points, Quiz #121756)
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Book 22: | Deprivation House Ages 8-12. May 20, 2008. AR: 4.2 (4.0 Points, Quiz #122796)
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Book 23: | House Arrest Ages 8-12. July 8, 2008. AR: 4.1 (4.0 Points, Quiz #123938)
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Book 24: | Murder House Ages 8-12. September 30, 2008. AR: 4.1 (4.0 Points, Quiz #125935)
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Book 25: | Double Trouble Ages 8-12. November 25, 2008. AR: 4.1 (4.0 Points, Quiz #128794) Lexile measure: 570L
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Book 26: | Double Down Ages 8-12. December 18, 2008. AR: 4.0 (4.0 Points, Quiz #128793)
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Book 27: | Double Deception Ages 8-12. March 10, 2009. AR: 4.1 (4.0 Points, Quiz #129430)
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Book 28: | Galaxy X Ages 8-12. April 30, 2009. AR: 4.7 (5.0 Points, Quiz #130744) Lexile measure: 660
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Book 29: | X-plosion Ages 8-12. July 9, 2009. AR: 5.2 (4.0 Points, Quiz #132095)
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Book 30: | The X-Factor Ages 8-12. September 3, 2009. AR: 4.5 (4.0 Points, Quiz #133751) Lexile measure: 660L
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Book 31: | Killer Mission Ages 8-12. October 23, 2009. AR: 4.2 (4.0 Points, Quiz #134197)
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Book 32: | Private Killer Ages 8-12. December 26, 2009. AR: 5.1 (5.0 Points, Quiz #135615)
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Book 33: | Killer Connections Ages 8-12. February 17, 2010. AR: 4.5 (5.0 Points, Quiz #136935)
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Book 35: | Lost Brother Ages 8-12. October 12, 2010. AR: 4.1 (4.0 Points, Quiz #140576)
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Book 36: | Forever Lost Ages 8-12. January 4, 2011. AR: 5.2 (4.0 Points, Quiz #143582)
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Book 37: | Movie Menace Ages 8-12. May 10, 2011. AR: 4.1 (4.0 Points, Quiz #145140)
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Book 38: | Movie Mission Ages 8-12. September 13, 2011. AR: 4.1 (4.0 Points, Quiz #148077)
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Book 39: | Movie Mayhem Ages 8-12. January 3, 2012. AR: 5.0 (5.0 Points, Quiz #149467)
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Book Sets: Sets of Up to 39 Books
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