SYKM


Jennifer Sturman
Rachel Benjamin, an investment banker and amateur sleuth, based in New York City:

The Pact (2004)

The Jinx (2005)

The Key (2006)

The Hunt (2007)

Delia Truesdale, searching for her mother, an internet tycoon, who has gone missing, in New York City, in a series for young adults:

And Then Everything Unraveled (2009) [YA]

And Then I Found Out the Truth (2010) [YA]