New Sleuths (Ages 4-6) • Junior Sleuths (Ages 7-9) • Cadet Sleuths (Ages 10-12) • Apprentice Sleuths (Ages 13 and older)
The Hardy Boys Historical Titles
Author: Franklin W. Dixon
Age Group: 10 and older
About the series: The Hardy Boys are Frank and Joe, teenage brothers who live in Bayport. The characters and storylines have evolved since their introduction in 1928 and now comprises hundreds of titles spanning multiple series.
Page Author: Lance Wright. Site Publisher: First Clues — The Omnimystery Family of Mystery Websites.