Geri Krotow 
Her Secret Christmas Agent [EPUB ebook] 

Can a former Marine and an undercover cop crack a deadly Christmas case?When a cult threatens the high school where he teaches, ex-Marine Mitch Everlock is on the case. His priority: protecting his students. His world is rocked when one of his pupils, Nika Pasczenko, reveals she’s an undercover police officer! But can the agent with secrets of his own trust his partner-in-crime?That last thing Nika expected on this investigation was meeting a sexy veteran who makes her heart light up like a Christmas tree. But with both their lives at risk, and the students in danger, neither of them can afford the slightest distraction. Especially one as big as falling in love just as a killer closes in…