32 books in series

Nancy Drew and Hardy Boys: Super Mystery

Nancy Drew and Hardy Boys: Super Mystery is a 32-book series with 32 released primary works first released in 1963 with contributions by Carolyn Keene, Franklin W. Dixon, and Nora Roberts.

Double Crossing
A Crime for Christmas
Shock Waves
Dangerous Games
The Last Resort
The Paris Connection
Buried in Time
Best of Enemies
High Survival
New Year's Evil
Cover 5

Tour of Danger

Cover 6

Spies and Lies

Tropic of Fear
Courting Disaster
Hits and Misses
Desperate Measures
Cover 1

Passport to Danger

Hollywood Horror
Cover 0

Copper Canyon Conspiracy

Danger Down Under
Dead on Arrival
Secrets of the Nile
A Question of Guilt
Islands of Intrigue
A Matter of Choice
Cover 3

High Stakes

Out of Control
Exhibition of Evil
At All Costs
Royal Revenge
Operation Titanic
Process of Elimination