The Nancy Drew and the Hardy Boys Super Mystery series (which is a spin-off of the Undercover Brothers and the Nancy Drew Girl Detective series) was published from June 2007 to July 2012. This series is not to be confused with the Nancy Drew and Hardy Boys SuperMystery series that was published between 1988 and 1998.


e-book release

As of 2013, all of the books in the series are available as e-books.