The Clue in the Crossword Cipher

The Clue in the Crossword Cipher

Author	Carolyn Keene
Country	United States
Language	English
Genre	Juvenile literature
Publisher	Grosset & Dunlap
Publication date	1967
Media type	Print (Hardback & Paperback)
ISBN	0-448-09544-0
OCLC	27866939
Preceded by	The Mystery of the 99 Steps
Followed by	The Spider Sapphire Mystery

The Clue in the Crossword Cipher is the forty-fourth volume in the Nancy Drew Mystery Stories series. It was first published in 1967 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.

Plot

A woman named Carla Ponce invites Nancy, Bess, and George to Peru to help decipher the mystery in the crossword cipher—a wooden plaque that promises to lead them to a wonderful treasure. Nancy must find the treasure before a gang of thieves led by El Gato (The Cat) reach it first.

Nancy Drew

The series and novels

Nancy Drew Mystery Stories

1930s	The Secret of the Old Clock (1930) The Hidden Staircase (1930) The Bungalow Mystery (1930) The Mystery at Lilac Inn (1931) The Secret at Shadow Ranch (1931) The Secret of Red Gate Farm (1931) The Clue in the Diary (1932) Nancy's Mysterious Letter (1932) The Sign of the Twisted Candles (1933) The Password to Larkspur Lane (1933) The Clue of the Broken Locket (1934) The Message in the Hollow Oak (1935) The Mystery of the Ivory Charm (1936) The Whispering Statue (1937) The Haunted Bridge (1937) The Clue of the Tapping Heels (1939)

1940s	The Mystery of the Brass-Bound Trunk (1940) The Mystery at the Moss-Covered Mansion (1941) The Quest of the Missing Map (1942) The Clue in the Jewel Box (1943) The Secret in the Old Attic (1944) The Clue in the Crumbling Wall (1945) The Mystery of the Tolling Bell (1946) The Clue in the Old Album (1947) The Ghost of Blackwood Hall (1948) The Clue of the Leaning Chimney (1949)

1950s	The Secret of the Wooden Lady (1950) The Clue of the Black Keys (1951) The Mystery at the Ski Jump (1952) The Clue of the Velvet Mask (1953) The Ringmaster's Secret (1953) The Scarlet Slipper Mystery (1954) The Witch Tree Symbol (1955) The Hidden Window Mystery (1956) The Haunted Showboat (1957) The Secret of the Golden Pavilion (1959)

1960s	The Clue in the Old Stagecoach (1960) The Mystery of the Fire Dragon (1961) The Clue of the Dancing Puppet (1962) The Moonstone Castle Mystery (1963) The Clue of the Whistling Bagpipes (1964) The Phantom of Pine Hill (1965) The Mystery of the 99 Steps (1966) The Clue in the Crossword Cipher (1967) The Spider Sapphire Mystery (1968) The Invisible Intruder (1969)

1970s	The Mysterious Mannequin (1970) The Crooked Banister (1971) The Secret of Mirror Bay (1972) The Double Jinx Mystery (1973) Mystery of the Glowing Eye (1974) The Secret of the Forgotten City (1975) The Sky Phantom (1976) The Strange Message in the Parchment (1977) Mystery of Crocodile Island (1978) The Thirteenth Pearl (1979) The Triple Hoax (1979)

1980s	The Flying Saucer Mystery (1980) The Secret in the Old Lace (1980) The Greek Symbol Mystery (1980) The Swami's Ring (1981) The Kachina Doll Mystery (1981) The Twin Dilemma (1981) Captive Witness (1981) Race Against Time (1982) The Broken Anchor (1983) The Mardi Gras Mystery (1988) The Case of the Rising Stars (1988)

1990s	The Mystery of the Masked Rider (1992) The Treasure in the Royal Tower (1995) The Wedding Day Mystery (1997) The E-mail Mystery (1998)

2000s	Whispers In the Fog (2000) The Legend of the Emerald Lady (2000) Mystery By Moonlight (2002) The Bike Tour Mystery (2002) The Mistletoe Mystery (2002) No Strings Attached (2003) The Riding Club Crime (2003) Danger on the Great Lakes (2003) Werewolf in a Winter Wonderland (2003)

The Nancy Drew Files

Secrets Can Kill (1986)
Stay Tuned for Danger (1987)
Death by Design (1988)
The Final Scene (1989)
The Suspect Next Door (1989)

The Nancy Drew Notebooks

The Slumber Party Secret, etc.

Nancy Drew and the Clue Crew

Sleepover Sleuths, etc.

Nancy Drew On Campus

New Lives, New Loves, etc.

Nancy Drew, Girl Detective

Without a Trace (2004)
A Race Against Time (2004)
False Notes (2004)
High Risk (2004)

Hardy Boys crossovers

Video games

Adventure series	Secrets Can Kill (1998) (Remastered) Stay Tuned for Danger (1999) Message in a Haunted Mansion (2000) Treasure in the Royal Tower (2001) The Final Scene (2001) Secret of the Scarlet Hand (2002) Ghost Dogs of Moon Lake (2002) The Haunted Carousel (2003) Danger on Deception Island (2003) The Secret of Shadow Ranch (2004) Curse of Blackmoor Manor (2004) Secret of the Old Clock (2005) Last Train to Blue Moon Canyon (2005) Danger By Design (2006) The Creature of Kapu Cave (2006) The White Wolf of Icicle Creek (2007) Legend of the Crystal Skull (2007) The Phantom of Venice (2008) The Haunting of Castle Malloy (2008) Ransom of the Seven Ships (2009) Warnings at Waverly Academy (2009) Trail of the Twister (2010) Shadow at the Water's Edge (2010) The Captive Curse (2011) Alibi in Ashes (2011) Tomb of the Lost Queen (2012) The Deadly Device (2012) Ghost of Thornton Hall (2013) The Silent Spy (2013) The Shattered Medallion (2014) Labyrinth of Lies (2014) Sea of Darkness (2015) Midnight in Salem (2016)

Dossier series	Lights, Camera, Curses (2008) Resorting to Danger (2009)

Other works

Nancy Drew... Detective (1938)
Nancy Drew... Reporter (1939)
Nancy Drew... Trouble Shooter (1939)
Nancy Drew and the Hidden Staircase (1939)
Nancy Drew (2007 film)
The Hardy Boys/Nancy Drew Mysteries
Supermystery
The Nancy Drew Files
Girl Detective
Nancy Drew (1995 TV series)
Nancy Drew (2002 TV movie)

Characters

Writers