Frank and Joe Hardy Are: The Clues Brothers (volumes 1–9) and The Hardy Boys: The Clues Brothers (volumes 10–17) was a series of books attributed to Franklin W. Dixon, with 17 titles published between 1997 and 2000. The books were illustrated by Frank Bolle (volumes 1–2) and Marcy Ramsey (volumes 3–17), produced by Mega-Books of New York, Inc. (volumes 1–8), and published as trade paperbacks by Pocket Books, a division of Simon & Schuster, under its Minstrel Books imprint.
1. The Gross Ghost Mystery (September 1997)
2. The Karate Clue (September 1997)
3. First Day, Worst Day (November 1997)
4. Jump Shot Detectives (January 1998)
5. Dinosaur Disaster (March 1988)
6. Who Took the Book? (May 1998)
7. The Abracadabra Case (July 1998)
8. The Doggone Detectives (September 1998)
9. The Pumped-Up Pizza Problem (November 1998)
10. The Walking Snowman (January 1999)
11. The Monster in the Lake (March 1999)
12. King for a Day (April 1999)
13. Pirates Ahoy! (June 1999)
14. All Eyes on First Prize (August 1999)
15. Slip, Slide, and Slap Shot (October 1999)
16. Fish-Faced Mask of Mystery (February 2000)
17. The Bike Race Ruckus (April 2000)