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Nancy looks for a flight of the 99 steps in France to solve the mystery of a friend's strange dream. Before Nancy, Bess, and George leaves the United States for France, a person calling himself
Monsieur Neuf warns Nancy not to pursue her mission.
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Startling discoveries convince the youn that Mr. Drew's case and her own mystery are linked by the 99 steps, and that a mysterious Arab has a strong hold over
Leblanc. Nancy thinks it could be blackmail.
277:
Nancy determines that the case she is investigating involving the 99 steps is linked to the case her father is following. Nancy thinks that
Monsieur Leblanc could be being blackmailed.
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The girls arrive in Paris and join Nancy’s father, who is trying to find out who or what is causing wealthy financier
Monsieur Leblanc to sell large amounts of securities.
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Nancy goes to an area in the Loire Valley to look for more clues, and Nancy, Bess, and George wind up in danger.
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series. It was first published in 1966 under the pseudonym
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Book by
Harriet Adams under the pseudonym Carolyn Keene
1836:. Further suggestions might be found on the article's
1769:. Further suggestions might be found on the article's
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49:. Unsourced material may be challenged and removed.
302:"Mystery and Adventure Series for Young Readers"
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1284:Nancy Drew and the Hardy Boys Super Mystery
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109:Learn how and when to remove this message
1276:Nancy Drew & Hardy Boys Supermystery
1834:See guidelines for writing about novels
1767:See guidelines for writing about novels
675:The Mystery at the Moss-Covered Mansion
293:
7:
1808:
1806:
1741:
1739:
963:The Strange Message in the Parchment
667:The Mystery of the Brass Bound Trunk
258:. The actual author was ghostwriter
47:adding citations to reliable sources
1681:Nancy Drew and the Hidden Staircase
1649:The Hardy Boys/Nancy Drew Mysteries
1641:Nancy Drew and the Hidden Staircase
1826:. You can help Knowledge (XXG) by
1759:. You can help Knowledge (XXG) by
859:The Clue of the Whistling Bagpipes
14:
819:The Secret of the Golden Pavilion
250:is the forty-third volume in the
1810:
1743:
1722:
1708:
947:The Secret of the Forgotten City
883:The Clue in the Crossword Cipher
236:The Clue in the Crossword Cipher
23:
1478:Dossier: Lights, Camera, Curses
1179:Werewolf in a Winter Wonderland
1091:The Treasure in the Royal Tower
1083:The Mystery of the Masked Rider
739:The Clue of the Leaning Chimney
715:The Mystery of the Tolling Bell
603:The Sign of the Twisted Candles
310:. 27 November 1966. p. 336
34:needs additional citations for
1903:Novels set in the Loire Valley
1446:The White Wolf of Icicle Creek
1422:Last Train to Blue Moon Canyon
1268:Be a Detective Mystery Stories
1123:The Legend of the Emerald Lady
843:The Clue of the Dancing Puppet
835:The Mystery of the Fire Dragon
827:The Clue in the Old Stagecoach
707:The Clue in the Crumbling Wall
635:The Mystery of the Ivory Charm
1:
1913:1960s young adult novel stubs
1470:The Haunting of Castle Malloy
747:The Secret of the Wooden Lady
659:The Clue of the Tapping Heels
627:The Message in the Hollow Oak
619:The Clue of the Broken Locket
611:The Password to Larkspur Lane
58:"The Mystery of the 99 Steps"
1908:1960s children's novel stubs
1716:Children's literature portal
1494:Dossier: Resorting to Danger
1342:Message in a Haunted Mansion
1230:Nancy Drew and the Clue Crew
1075:The Case of the Rising Stars
851:The Moonstone Castle Mystery
683:The Quest of the Missing Map
122:The Mystery of the 99 Steps
1633:Nancy Drew: Trouble Shooter
1502:Warnings at Waverly Academy
1454:Legend of the Crystal Skull
1350:Treasure in the Royal Tower
971:Mystery of Crocodile Island
891:The Spider Sapphire Mystery
875:The Mystery of the 99 Steps
787:The Scarlet Slipper Mystery
771:The Clue of the Velvet Mask
763:The Mystery at the Ski Jump
731:The Ghost of Blackwood Hall
699:The Secret in the Old Attic
579:The Secret of Red Gate Farm
539:The Secret of the Old Clock
334:The Mystery of the 99 Steps
247:The Mystery of the 99 Steps
1929:
1893:Grosset & Dunlap books
1805:
1738:
1518:Shadow at the Water's Edge
1398:The Secret of Shadow Ranch
1390:Danger on Deception Island
1366:Secret of the Scarlet Hand
1222:Nancy Drew: Girl Detective
1003:The Secret in the Old Lace
939:Mystery of the Glowing Eye
755:The Clue of the Black Keys
571:The Secret at Shadow Ranch
529:Nancy Drew Mystery Stories
252:Nancy Drew Mystery Stories
158:Nancy Drew Mystery Stories
1486:Ransom of the Seven Ships
1438:The Creature of Kapu Cave
1298:
1171:Danger on the Great Lakes
995:The Flying Saucer Mystery
803:The Hidden Window Mystery
723:The Clue in the Old Album
691:The Clue in the Jewel Box
595:Nancy's Mysterious Letter
513:
384:
260:Harriet Stratemeyer Adams
126:
1406:Curse of Blackmoor Manor
1027:The Kachina Doll Mystery
1011:The Greek Symbol Mystery
923:The Secret of Mirror Bay
907:The Mysterious Mannequin
867:The Phantom of Pine Hill
563:The Mystery at Lilac Inn
223:The Phantom of Pine Hill
1574:The Shattered Medallion
1414:Secret of the Old Clock
1374:Ghost Dogs of Moon Lake
1099:The Wedding Day Mystery
931:The Double Jinx Mystery
779:The Ringmaster's Secret
1558:Ghost of Thornton Hall
1542:Tomb of the Lost Queen
1067:The Mardi Gras Mystery
899:The Invisible Intruder
1888:1966 children's books
1818:This article about a
1751:This article about a
1617:Nancy Drew: Detective
1462:The Phantom of Venice
1334:Stay Tuned for Danger
1163:The Riding Club Crime
1147:The Mistletoe Mystery
1139:The Bike Tour Mystery
795:The Witch Tree Symbol
643:The Whispering Statue
587:The Clue in the Diary
461:George Edward Stanley
389:Stratemeyer Syndicate
1883:1966 American novels
1625:Nancy Drew: Reporter
1510:Trail of the Twister
1382:The Haunted Carousel
1246:Nancy Drew Clue Book
1214:Nancy Drew on Campus
1206:Nancy Drew Notebooks
1198:The Nancy Drew Files
1131:Mystery By Moonlight
979:The Thirteenth Pearl
915:The Crooked Banister
811:The Haunted Showboat
555:The Bungalow Mystery
547:The Hidden Staircase
178:Grosset & Dunlap
43:improve this article
1609:Film and television
1155:No Strings Attached
1115:Whispers in the Fog
456:Susan Wittig Albert
168:Juvenile literature
123:
1822:of the 1960s is a
1755:of the 1960s is a
1238:Nancy Drew Diaries
1107:The E-mail Mystery
651:The Haunted Bridge
399:Edward Stratemeyer
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1844:
1820:young adult novel
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1598:Midnight in Salem
1582:Labyrinth of Lies
1550:The Deadly Device
1526:The Captive Curse
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1059:The Broken Anchor
1051:Race Against Time
466:James D. Lawrence
307:The Baltimore Sun
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1692:(2019 TV series)
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1652:(1977 TV series)
1430:Danger By Design
1320:Secrets Can Kill
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1035:The Twin Dilemma
1019:The Swami's Ring
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41:Please help
36:verification
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1684:(2019 film)
1676:(2007 film)
1644:(1939 film)
1636:(1939 film)
1628:(1939 film)
1620:(1938 film)
1311:Video games
1304:Other media
1209:(1993-2005)
314:17 February
1877:Categories
1689:Nancy Drew
1673:Nancy Drew
1665:Nancy Drew
1657:Nancy Drew
1326:Remastered
1260:crossovers
1258:Hardy Boys
415:Nancy Drew
408:Characters
377:Nancy Drew
339:Faded Page
288:References
69:newspapers
1838:talk page
1771:talk page
1287:(2007-12)
1279:(1988-98)
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1323:(1998) (
475:See also
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146:Language
1329:, 2010)
434:Writers
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149:English
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