Book 1

Singularity

by Kathryn Casey

Published 1 June 2008
Sarah Armstrong know what it's like to be in a sticky situation. As a single mother and one of the few female Rangers in Texas history, she's had to work twice as hard to be the best law enforcement official in the city. But when one of Texas' wealthiest businessmen is found murdered along with this alleged mistress, their bodies posed in grotesque ways, she knows this is the deadliest case of her career. And as she begins to close in on a killer nobody but her believes in, Sarah realises that his madman might just make her the next target.

Book 2

Blood Lines

by Kathryn Casey

Published 1 July 2009
When Sarah is shown photographs of a suicide scene, something seems off. It looks too perfect, and Houston oil business woman Billie Cox had every reason to live. The victim's sister is convinced Billie was murdered and urges Sarah to take a closer look. Meanwhile, teenage pop sensation Cassie has been receiving threatening e-mail and text messages, and creepy whispers over her headset at performances. One of the suspects, a slightly imbalanced but very talented music student, lives in Houston, and Cassie is scheduled to perform there at an annual rodeo event. Sarah and her colleagues do everything they can to apprehend the stalker, but at the concert the unthinkable happens. Kathyrn Casey is back with a fast-paced, unpredictable thriller featuring feisty Texas Ranger Sarah Armstrong.

Book 3

The Killing Storm

by Kathryn Casey

Published 26 October 2010
On a quiet afternoon in the park, four-year-old Joey plays in the sandbox, when a stranger approaches looking for his puppy. While Joey's mom, Crystal, talks on her cell phone, the stranger convinces the child to help search. By the time Crystal turns around, her son has disappeared. Yet her reaction is odd, not what one would expect from a distraught mother. Is Crystal somehow involved in her son's abduction? Meanwhile, on a ranch outside Houston, Texas Ranger Sarah Armstrong assesses a symbol left on the hide of a slaughtered longhorn, a figure that dates back to a forgotten era of sugarcane plantations and slavery. Soon other prizewinning bulls are butchered on the outskirts of the city, each bearing a similar drawing. The investigations converge at the same time a catastrophic hurricane looms in the Gulf. Finally, as dangerous winds and torrential rains pummel the city, Sarah is forced to risk her life to save Joey.