Royal Revenge is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1997. [1]
Nancy Drew becomes suspicious of Bess's new boyfriend, Cass Carroll, who clearly has a deep, dark secret. Cass is from a close-knit Panaslavan community settled in River Heights. Panaslava is a war-torn country with a bitter past, whose expatriates are wary and tight-lipped. Meanwhile, the Hardys are on the trail of a gun for hire whose target is the exiled prince of Panaslava. When the Hardys discover that the target's current location is at Little Panaslava, River Heights, the trio put the pieces together, and uncover the shocking truth.
A Question of Guilt is a 1996 Hardy Boys and Nancy Drew Supermystery crossover novel.
Double Crossing is a Hardy Boys and Nancy Drew Supermystery crossover novel. It was published in 1988 under the Carolyn Keene pseudonym.
A Crime for Christmas is a Hardy Boys and Nancy Drew Supermystery novel published in 1988.
Process of Elimination is a 1998 young adult mystery novel by Carolyn Keene. It is the final novel of the Nancy Drew and Hardy Boys Supermystery crossover series.
Exhibition of Evil is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1997.
Out of Control is a Nancy Drew and the Hardy Boys Supermystery crossover novel written by Carolyn Keene. It was published in 1997.
Nightmare in New Orleans is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1997.
High Stakes is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1996.
Secrets of the Nile is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1995.
Target for Terror is a Nancy Drew and Hardy Boys Supermystery crossover novel. It was published by Pocket Books in 1995.
Danger Down Under is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1995.
Hollywood Horror is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1994.
Hits and Misses is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1993.
Courting Disaster is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1993.
Spies and Lies is a 1992 Nancy Drew and the Hardy Boys Supermystery crossover novel. It was written by Tracey West under the usual pseudonym Carolyn Keene.
Tour of Danger is a Nancy Drew and Hardy Boys Supermystery novel. It was published in 1992.
New Year's Evil is a Nancy Drew and Hardy Boys Supermystery crossover novel. It was published in 1991.
High Survival is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1991.
Best of Enemies is a Nancy Drew and Hardy Boys Supermystery crossover novel, published in 1991.
Mystery Train is a Nancy Drew and Hardy Boys Supermystery crossover novel. It was published in 1990.