Regan Black 
His Soldier Under Siege 

She has always run toward danger, but now danger is after her!Grace Ann Riley and Derek Sayer have had a secret, friends-with-benefits relationship for two years. Derek wants more but Grace Ann is hesitant. She is an army nurse and he needs stability. But when Derek ‘s brother is injured on an army training exercise and Grace Ann finds herself in danger, can Derek prove she needs him as much as he needs her…