1. Los Angeles
   River Heights
2. Lake Placid

Nancy and family call the fictional town of River Heights home.

1. Hannah and Iola
   Jeannette and Eleanor
2. Bess and George

Cousins Bess Marvin and George Fayne are Nancy's best friends and often join in her crime-solving adventures.

1. Ned
   Fred
2. Neil

Nancy and Ned Nickerson go steady throughout the series — until college, that is, when Nancy dumps Ned for a co-ed named Jake.

1. Nina
   Laura
2. Hannah

Hannah Gruen serves as both housekeeper and a surrogate mother of sorts to Nancy.

1. volume one
   volume two
2. volume three

"The Hidden Staircase," which is the second volume in the series, has sold more than two million copies, making it one of the top 100 best-selling children's books of all time.

1. Toto
   Togo
2. Dodo

Nancy's dog Togo first appears in "The Whispering Statue." The girl detective also had a cat named Snowball, which appeared periodically throughout the series.

1. 1920
   1930
2. 1940

The first three books in the series were released under the name Carolyn Keene on April 28, 1930, and were an instant hit.

1. "The Mystery at Lilac Inn"
   "The Hidden Staircase"
2. "The Secret of the Old Clock"

"The Secret of the Old Clock" kicked off the Nancy Drew series.

1. 1938
   1948
2. 1958

Warner Bros. released four Nancy Drew movies between 1938 and 1939, though they were much more slapstick than the novels.

1. Nathan Gomber
   Helen
2. George

Nathan Gomber behaved suspiciously throughout the novel and eventually kidnapped Nancy's father.

1. 69
   175
2. 327

The original series, which ran from 1930 to 2003, consists of 175 volumes. The final book in the series is called "Werewolf in a Winter Wonderland."

1. Radcliffe University
   Goucher University
2. Wilder University

When the "Nancy Drew on Campus" series hit shelves in the mid-'90s, Nancy was a proud student at Wilder University. The series lasted three years and spanned 25 volumes.

1. 1974
   1994
2. 2004

The "Girl Detective" series first hit store shelves in 2004 when "Without a Trace" was published.

1. Neve Campbell
   Emma Roberts
2. Miley Cyrus

Emma Roberts starred as Nancy in the film, in which the detective travels to Los Angeles with her father and attempts to solve a Hollywood murder mystery.

1. true
2. false

Writer and publisher Edward Stratemeyer developed the ideas for both series. The books themselves were penned by a number of ghostwriters.

1. Newport News
   Bayport
2. Quahog

The Hardy boys reside at the intersection of High and Elm streets in Bayport, a town of 50,000 situated on Barmet Bay.

1. Mike
   Joe
2. Frank

Frank and Joe Hardy starred in the Hardy Boys series. Frank was the older, more serious one, while Joe was younger and more impulsive.

1. 1907
   1917
2. 1927

The first three books in the series were released on May 16, 1927. They were written by Leslie McFarlane under the pen name Franklin W. Dixon.

1. Chet
   Chief
2. Chisholm

Chet Morton was the slightly portly best friend to the Hardy brothers. His sister Iola is Joe's love interest throughout the series.

1. 2000
   2005
2. 2010

"Undercover Brothers," a series in which the Hardy brothers play secret government agents, debuted in 2005 and ran through 2012.

1. "The Hidden Staircase"
   "The Lost Treasure"
2. "The Tower Treasure"

"The Tower Treasure," which kicks off with the boys trying to recover Chet's jalopy, is the first book in the Hardy Boys series.

1. 58
   79
2. 102

Just 58 books make up the original Hardy Boys canon, with "The Sting of the Scorpion" serving as the last in this original series.

1. private detective
   lawyer
2. doctor

Fenton Hardy is a retired New York Police Department detective who opens his own private investigation business. His sons often end up involved in his cases.

1. David Cassidy
   Bobby Sherman
2. Shaun Cassidy

Heartthrob Shaun Cassidy starred as Joe, while Parker Stevenson played Frank.

1. Gertrude
   Francine
2. Laura

Fenton's sister Gertrude — who also sits cats for extra money — serves as a second mother to Frank and Joe.

1. Allison
   Callie
2. Carol

Callie Shaw appears in many Hardy Boys books as Frank's special lady.

1. Collins
   Collig
2. Colton

Ezra Collig is the local police chief in Bayport. Once jealous of the Hardy brothers, he eventually befriends them and helps them solve a few cases.

1. Hardy
   Queen
2. Sleuth

The Hardy boys use reward money earned in the first few books in the series to purchase their motorboat, which they name "The Sleuth."

1. 20 million
   40 million
2. 70 million

Both the Nancy Drew and Hardy Boys series continue to sell 1-2 million units per year. In its first 90 years or so, eager young readers have bought more than 70 millions books in the Hardy Boys series.

1. true
2. false

Despite their popularity, the books written prior to the '50s and '60s were rewritten to eliminate racial and gender stereotypes that were no longer acceptable to readers. The tone of both series changed dramatically, and many of these revised versions are completely unrecognizable from the original versions.