Vertical Line Publishing Llc: 4 books

A criminal hiding in plain sight on campus. A professor caught in the middle. Can Dr. Ree Ryland help the FBI stop a killer before it's too late? Dr. Ree Ryland is an engineering professor who loves her job and plays by the rules. Her life is reassuringly predictable – until an enemy hiding...

Get introduced to The Calculated Series in this fun, quick novella! Before Scarlett helped Mike, Parker, and Alexis solve the cases in Calculated Deception and Calculated Contagion, she was a brand-new profiler at the FBI’s Chicago field office. When a high-profile charity is targeted by...

CIA operations officer Quinn King will do whatever it takes to find the person who killed her partner. She follows the evidence to Innovative Rocket Technologies, a start-up company and current darling of the rocket world. Their most recent launch, however, ended in an explosion that Quinn believes...

When Dani Christensen is kidnapped, she escapes with the help of a CIA officer in the right place at the right time. It is only after Dani returns home that she realizes the extent of her captors’ plans. Now, Dani must help the CIA stop her kidnappers before they release a bioweapon in this cozy,...