The 13th target
De Castrique, Mark.
Ashland, Ore : Blackstone Audio, Inc., 2012.

The 13th target
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

Blackman's coffin
De Castrique, Mark.
[United States] : Blackstone Publishing, 2008.

Secret undertaking
De Castrique, Mark, author.
Scottsdale, AZ : Poisoned Pen Press, 2018.

Final undertaking : a Barry Clayton mystery
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

Fatal undertaking
De Castrique, Mark.
[United States] : Blackstone Publishing, 2011.

Risky undertaking
De Castrique, Mark, author.
[United States] : Blackstone Publishing, 2015.

A conspiracy of genes
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

Dangerous women
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, 2023.

Dangerous women
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, 2023.

Dangerous women
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, 2023.

Dangerous Women : Secret Lives
De Castrique, Mark.
[United States] : Dreamscape Media, 2023.

Death on a southern breeze
De Castrique, Mark.
[United States] : Blackstone Publishing, 2011.

Fatal scores : a Blackman Agency investigation
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2021]

Fatal undertaking
De Castrique, Mark.
[United States] : Blackstone Publishing, 2011.

Final undertaking : a Barry Clayton mystery
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

The Fitzgerald ruse
De Castrique, Mark.
[United States] : Blackstone Publishing, 2010.

Hidden scars : a Sam Blackman mystery
De Castrique, Mark, author.
Scottsdale, Arizona : Poisoned Pen Press, 2017.

A murder in passing : [a Sam Blackman mystery]
De Castrique, Mark.
[United States] : Blackstone Publishing, 2013.

Murder in Rat Alley
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2020]

Risky undertaking
De Castrique, Mark, author.
[United States] : Blackstone Publishing, 2015.

Hidden scars : a Sam Blackman mystery
De Castrique, Mark, author.
Scottsdale, Arizona : Poisoned Pen Press, 2017.

Murder in Rat Alley
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2020]

Blackman's coffin
De Castrique, Mark.
[United States] : Blackstone Publishing, 2008.

Death on a southern breeze
De Castrique, Mark.
[United States] : Blackstone Publishing, 2011.

The Fitzgerald ruse
De Castrique, Mark.
[United States] : Blackstone Publishing, 2010.

The Sandburg connection
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

A murder in passing : [a Sam Blackman mystery]
De Castrique, Mark.
[United States] : Blackstone Publishing, 2013.

A specter of justice : a sam blackman mystery
De Castrique, Mark.
[United States] : Blackstone Publishing, 2016.

The Sandburg connection
De Castrique, Mark.
[United States] : Blackstone Publishing, 2012.

Secret lives
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2022]
1 hold on first copy returned of 4 copies

Secret lives
De Castrique, Mark, author.
[United States] : Dreamscape Media, 2022.

Secret lives
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2022]

Secret lives
De Castrique, Mark, author.
Naperville, Illinois : Poisoned Pen Press, [2022]

Dangerous Women : Secret Lives
De Castrique, Mark.
[United States] : Dreamscape Media, 2023.

Secret undertaking
De Castrique, Mark, author.
Scottsdale, AZ : Poisoned Pen Press, 2018.

The Singularity Race
de Castrique, Mark.
[United States] : Findaway Voices, 2017.

A specter of justice : a sam blackman mystery
De Castrique, Mark.
[United States] : Blackstone Publishing, 2016.