Hardy Boys 51: the Masked Monkey (The Hardy Boys #51) (Hardcover)
$10.99
Available from our distributor; usually Ships in 1-5 Days
Other Books in Series
This is book number 51 in the The Hardy Boys series.
- #1: The Tower Treasure (Hardy Boys #1) (Compact Disc): $13.99
- #2: The House on the Cliff (Hardy Boys #2) (Compact Disc): $13.99
- #3: Boardwalk Bust (Hardy Boys (All New) Undercover Brothers #3) (Paperback): $7.99
- #4: Thrill Ride (Hardy Boys (All New) Undercover Brothers #4) (Paperback): $6.99
- #5: Rocky Road (Hardy Boys (All New) Undercover Brothers #5) (Paperback): $7.99
- #6: The Shore Road Mystery #6 (The Hardy Boys #6) (Hardcover): $8.99
- #7: The Secret of the Caves #7 (The Hardy Boys #7) (Hardcover): $8.99
- #8: Top Ten Ways to Die (Hardy Boys (All New) Undercover Brothers #8) (Paperback): $5.99
- #9: The Great Coaster Caper (Hardy Boys: The Secret Files #9) (Paperback): $5.99
- #10: Blown Away (Hardy Boys (All New) Undercover Brothers #10) (Paperback): $7.99
- #11: Hurricane Joe (Hardy Boys (All New) Undercover Brothers #11) (Paperback): $6.99
- #12: Trouble in Paradise (Hardy Boys (All New) Undercover Brothers #12) (Paperback): $6.99
- #13: The Mummy's Curse (Hardy Boys (All New) Undercover Brothers #13) (Paperback): $7.99
- #14: Hazed (Hardy Boys (All New) Undercover Brothers #14) (Paperback): $6.99
- #15: Death and Diamonds (Hardy Boys (All New) Undercover Brothers #15) (Paperback): $5.99
- #16: Hardy Boys 16: a Figure in Hiding (The Hardy Boys #16) (Hardcover): $9.99
- #17: Hardy Boys 17: the Secret Warning (The Hardy Boys #17) (Hardcover): $9.99
- #18: Pushed (Hardy Boys (All New) Undercover Brothers #18) (Paperback): $7.99
- #19: Hardy Boys 19: the Disappearing Floor (The Hardy Boys #19) (Hardcover): $9.99
- #20: Hardy Boys 20: Mystery of the Flying Express (The Hardy Boys #20) (Hardcover): $9.99
- #21: Comic Con Artist (Hardy Boys (All New) Undercover Brothers #21) (Paperback): $6.99
- #22: Deprivation House: Book One in the Murder House Trilogy (Hardy Boys (All New) Undercover Brothers #22) (Paperback): $6.99
- #23: House Arrest: Book Two in the Murder House Trilogy (Hardy Boys (All New) Undercover Brothers #23) (Paperback): $5.99
- #24: Haunted (Hardy Boys Undercover Brothers: Super Mystery) (Paperback): $6.99
- #25: Double Trouble: Book One in the Double Danger Trilogy (Hardy Boys (All New) Undercover Brothers #25) (Paperback): $7.99
- #26: Hardy Boys 26: the Phantom Freighter (The Hardy Boys #26) (Hardcover): $9.99
- #28: Hardy Boys 28: the Sign of the Crooked Arrow (The Hardy Boys #28) (Hardcover): $9.99
- #29: Hardy Boys 29: the Secret of the Lost Tunnel (The Hardy Boys #29) (Hardcover): $8.99
- #30: The X-Factor: Book Three in the Galaxy X Trilogy (Hardy Boys (All New) Undercover Brothers #30) (Paperback): $7.99
- #32: Hardy Boys 32: the Crisscross Shadow (The Hardy Boys #32) (Hardcover): $10.99
- #33: Killer Connections: Book Three in the Killer Mystery Trilogy (Hardy Boys (All New) Undercover Brothers #33) (Paperback): $7.99
- #34: Hardy Boys 34: The Hooded Hawk Mystery (The Hardy Boys #34) (Hardcover): $10.99
- #36: Hardy Boys 36: the Secret of Pirates' Hill (The Hardy Boys #36) (Hardcover): $9.99
- #37: Movie Menace: Book One in the Deathstalker Trilogy (Hardy Boys (All New) Undercover Brothers #37) (Paperback): $5.99
- #38: Movie Mission: Book Two in the Deathstalker Trilogy (Hardy Boys (All New) Undercover Brothers #38) (Paperback): $6.99
- #39: Hardy Boys 39: The Mystery of the Chinese Junk (The Hardy Boys #39) (Hardcover): $9.99
- #40: Hardy Boys 40: Mystery of the Desert Giant (The Hardy Boys #40) (Hardcover): $10.99
- #41: Hardy Boys 41: The Clue of the Screeching Owl (The Hardy Boys #41) (Hardcover): $9.99
- #43: Hardy Boys 43: the Mystery of the Aztec Warrior (The Hardy Boys #43) (Hardcover): $9.99
- #46: Hardy Boys 46: the Secret Agent on Flight 101 (The Hardy Boys #46) (Hardcover): $9.99
- #47: Hardy Boys 47: Mystery of the Whale Tattoo (The Hardy Boys #47) (Hardcover): $9.99
- #50: Hardy Boys 50: Danger on Vampire Trail (The Hardy Boys #50) (Hardcover): $9.99
- #52: Hardy Boys 52: the Shattered Helmet (The Hardy Boys #52) (Hardcover): $9.99
- #53: Hardy Boys 53: the Clue of the Hissing Serpent (The Hardy Boys #53) (Hardcover): $10.99
- #55: Hardy Boys 55: the Witchmaster's Key (The Hardy Boys #55) (Hardcover): $10.99
- #56: Hardy Boys 56: The Jungle Pyramid (The Hardy Boys #56) (Hardcover): $10.99
- #139: The Search for the Snow Leopard (Hardy Boys #139) (Paperback): $5.99
- #140: Slam Dunk Sabotage (Hardy Boys #140) (Paperback): $5.99
- #154: The Caribbean Cruise Caper (Hardy Boys #154) (Paperback): $5.99
- #161: Training for Trouble (Hardy Boys #161) (Paperback): $5.99
- #162: The End of the Trail (Hardy Boys #162) (Paperback): $5.99
- #176: In Plane Sight (Hardy Boys #176) (Paperback): $5.99
- #178: The Mystery of the Black Rhino (Hardy Boys #178) (Paperback): $6.99
- #179: Passport to Danger (Hardy Boys #179) (Paperback): $5.99
- #180: Typhoon Island (Hardy Boys #180) (Paperback): $5.99
- #182: The Secret of the Soldier's Gold (Hardy Boys #182) (Paperback): $7.99
- #183: Warehouse Rumble (Hardy Boys #183) (Paperback): $4.99
- #184: The Dangerous Transmission (Hardy Boys #184) (Paperback): $5.99
- #185: Wreck and Roll (Hardy Boys #185) (Paperback): $6.99
- #186: Hidden Mountain (Hardy Boys #186) (Paperback): $7.99
- #187: No Way Out (Hardy Boys #187) (Paperback): $5.99
Description
Frank and Joe are called upon to find a wealthy industrialist’s son who has mysteriously disappeared. The only clue in the case leads the two young detectives to South America, where the intrigues of evil adversaries almost cost them their lives. Only through their courage and perseverance do the Hardys solve one of the toughest cases they have ever tackled.
About the Author
Franklin W. Dixon is a pen name used by a variety of authors writing for the classic series, The Hardy Boys. The first and most well-known "Franklin W. Dixon" was Leslie McFarlane, a Canadian author who contributed 19 of the first 25 books in the series. Other writers who have adopted the pseudonym include Christopher Lampton, John Button, Amy McFarlane, and Harriet Stratemeyer Adams.