The hidden staircase

Series: Nancy Drew mystery stories

• The secret of the old clock (Volume 1.)

• The hidden staircase (Volume 2.)

• The bungalow mystery (Volume 3.)

• The mystery at Lilac Inn (Volume 4.)

• The secret of Shadow Ranch (Volume 5.)

• The secret of Red Gate Farm (Volume 6.)

• The clue in the diary (Volume 7.)

• Nancy's mysterious letter (Volume 8.)

• The sign of the twisted candles (Volume 9.)

• Password to Larkspur Lane (Volume 10.)

• The clue of the broken locket (Volume 11.)

• The message in the hollow oak (Volume 12.)

• The mystery of the ivory charm (Volume 13.)

• The whispering statue (Volume 14.)

• The haunted bridge (Volume 15.)

• The clue of the tapping heels (Volume 16.)

• Mystery of the brass-bound trunk (Volume 17.)

• Mystery of the moss-covered mansion (Volume 18.)

• The quest of the missing map (Volume 19.)

• The clue in the jewel box (Volume 20.)

• The secret in the old attic (Volume 21.)

• The clue in the crumbling wall (Volume 22.)

• The mystery of the tolling bell (Volume 23.)

• The clue in the old album (Volume 24.)

• The ghost of Blackwood Hall (Volume 25.)

• The clue of the leaning chimney (Volume 26.)

• The secret of the wooden lady (Volume 27.)

• The clue of the black keys (Volume 28.)

• Mystery at the ski jump (Volume 29.)

• The clue of the velvet mask (Volume 30.)

• The ringmaster's secret (Volume 31.)

• The scarlet slipper mystery (Volume 32.)

• The witch tree symbol (Volume 33.)

• The hidden window mystery (Volume 34.)

• The haunted showboat (Volume 35.)

• The secret of the golden pavilion (Volume 36.)

• The clue in the old stagecoach (Volume 37.)

• The mystery of the fire dragon (Volume 38.)

• The clue of the dancing puppet (Volume 39.)

• The moonstone castle mystery (Volume 40.)

• The clue of the whistling bagpipes (Volume 41.)

• The phantom of Pine Hill (Volume 42.)

• Mystery of the 99 steps (Volume 43.)

• The clue in the crossword cipher (Volume 44.)

• The spider sapphire mystery (Volume 45.)

• The invisible intruder (Volume 46.)

• The mysterious mannequin (Volume 47.)

• The crooked banister (Volume 48.)

• The secret of Mirror Bay (Volume 49.)

• The double jinx mystery (Volume 50.)

• Mystery of the glowing eye (Volume 51.)

• Secret of the forgotten city (Volume 52.)

• The sky phantom (Volume 53.)

• Strange message in the parchment (Volume 54.)

• Mystery of Crocodile Island (Volume 55.)

• Thirteenth pearl (Volume 56.)

• The triple hoax (Volume 57.)

• The flying saucer mystery (Volume 58.)

• The secret in the old lace (Volume 59.)

• The Greek symbol mystery (Volume 60.)

• The swami's ring (Volume 61.)

• The kachina doll mystery (Volume 62.)

• The twin dilemma (Volume 63.)

• Captive witness (Volume 64.)

• Mystery of the winged lion (Volume 65.)

• Race against time (Volume 66.)

• The sinister omen (Volume 67.)

• The elusive heiress (Volume 68.)

• Clue in the ancient disguise (Volume 69.)

• The broken anchor (Volume 70.)

• The silver cobweb (Volume 71.)

• The haunted carousel (Volume 72.)

• Enemy match (Volume 73.)

• The mysterious image (Volume 74.)

• The emerald-eyed cat mystery (Volume 75.)

• The Eskimo's secret (Volume 76.)

• The Bluebeard room (Volume 77.)

• The phantom of Venice (Volume 78.)

• The double horror of Fenley Place (Volume 79.)

• The case of the disappearing diamonds (Volume 80.)

• The Mardi Gras mystery (Volume 81.)

• The clue in the camera (Volume 82.)

• The case of the vanishing veil (Volume 83.)

• The joker's revenge (Volume 84.)

• The secret of Shady Glen (Volume 85.)

• The mystery of Misty Canyon (Volume 86.)

• The case of the rising stars (Volume 87.)

• The search for Cindy Austin (Volume 88.)

• The case of the disappearing deejay (Volume 89.)

• The puzzle at Pineview School (Volume 90.)

• The girl who couldn't remember (Volume 91.)

• The ghost of Craven Cove (Volume 92.)

• The case of the safecracker's secret (Volume 93.)

• The picture-perfect mystery (Volume 94.)

• The silent suspect (Volume 95.)

• The case of the photo finish (Volume 96.)

• The mystery at Magnolia Mansion (Volume 97.)

• The haunting of Horse Island (Volume 98.)

• The secret at Seven Rocks (Volume 99.)

• A secret in time (Volume 100.)

• The mystery of the missing millionairess (Volume 101.)

• The secret in the dark (Volume 102.)

• The stranger in the shadows (Volume 103.)

• The mystery of the jade tiger (Volume 104.)

• The clue in the antique trunk (Volume 105.)

• The case of the artful crime (Volume 106.)

• The legend of Miner's Creek (Volume 107.)

• The secret of the Tibetan treasure (Volume 108.)

• The mystery of the masked rider (Volume 109.)

• The nutcracker ballet mystery (Volume 110.)

• The secret at Solaire (Volume 111.)

• Crime in the queen's court (Volume 112.)

• The secret lost at sea (Volume 113.)

• The search for the silver Persian (Volume 114.)

• The suspect in the smoke (Volume 115.)

• The case of the twin teddy bears (Volume 116.)

• Mystery on the menu (Volume 117.)

• Trouble at Lake Tahoe (Volume 118.)

• The mystery of the missing mascot (Volume 119.)

• The case of the floating crime (Volume 120.)

• The fortune-teller's secret (Volume 121.)

• The message in the haunted mansion (Volume 122.)

• The clue on the silver screen (Volume 123.)

• The secret of the scarlet hand (Volume 124.)

• The teen model mystery (Volume 125.)

• The riddle in the rare book (Volume 126.)

• The case of the dangerous solution (Volume 127.)

• The treasure in the royal tower (Volume 128.)

• The baby-sitter burglaries (Volume 129.)

• The sign of the falcon (Volume 130.)

• The hidden inheritance (Volume 131.)

• The fox hunt mystery (Volume 132.)

• The mystery at the crystal palace (Volume 133.)

• The secret of the forgotten cave (Volume 134.)

• The riddle of the ruby gazelle (Volume 135.)

• The wedding day mystery (Volume 136.)

• In search of the black rose (Volume 137.)

• The legend of the lost gold (Volume 138.)

• The secret of Candlelight Inn (Volume 139.)

• The door-to-door deception (Volume 140.)

• The wild cat crime (Volume 141.)

• The case of capital intrigue (Volume 142.)

• Mystery on Maui (Volume 143.)

• The e-mail mystery (Volume 144.)

• The missing horse mystery (Volume 145.)

• The ghost of the lantern lady (Volume 146.)

• The case of the captured queen (Volume 147.)

• On the trail of trouble (Volume 148.)

• The clue of the gold doubloons (Volume 149.)

• Mystery at Moorsea Manor (Volume 150.)

• The chocolate-covered contest (Volume 151.)

• The key in the satin pocket (Volume 152.)

• Whispers in the fog (Volume 153.)

• The legend of the emerald lady (Volume 154.)

• The mystery in Tornado Alley (Volume 155.)

• The secret in the stars (Volume 156.)

• The music festival mystery (Volume 157.)

• The curse of the black cat (Volume 158.)

• The secret of the fiery chamber (Volume 159.)

• The clue on the crystal dove (Volume 160.)

• Lost in the Everglades (Volume 161.)

• The case of the lost song (Volume 162.)

• The clues challenge (Volume 163.)

• The mystery of the mother wolf (Volume 164.)

• The crime lab case (Volume 165.)

• The case of the creative crime (Volume 166.)

• Mystery by moonlight (Volume 167.)

• The bike tour mystery (Volume 168.)

• The mistletoe mystery (Volume 169.)

• No strings attached (Volume 170.)

• Intrigue at the grand opera (Volume 171.)

• The riding club crime (Volume 172.)

• Danger on the Great Lakes (Volume 173.)

• A taste of danger (Volume 174.)

• Werewolf in a winter wonderland (Volume 175.)