Harlequin Intrigue Series by Kathleen Long

Detective Zach Thomas had one goal: ifnd out what really happened the day his brother died. Problem was he had to involve beautiful scientist Jessica Parker. Then, as Zach slowly uncovered some deadly secrets, his need for vengeance was overshadowed by his desire to protect Jessica. A BUTTONED-UP BEAUTY who'd AWAKENED A KILLER Jessica Parker knew she'd spent her life doing no harm, and yet somehow the research she'd conducted had gone so horribly wrong... moreDetective Zach Thomas had one goal: ifnd out what really happened the day his brother died. Problem was he had to involve beautiful scientist Jessica Parker. Then, as Zach slowly uncovered some deadly secrets, his need for vengeance was overshadowed by his desire to protect Jessica. A BUTTONED-UP BEAUTY who'd AWAKENED A KILLER Jessica Parker knew she'd spent her life doing no harm, and yet somehow the research she'd conducted had gone so horribly wrong. Could her gorgeous protector prevent her from falling victim to an elusive enemy who'd stop at nothing to suppress the truth? less

Jack Grant just couldn't leave a case cold. Luckily a hot tip led the investigator to Abby Conroy. Her Web site--Don't Say a Word--broadcast a stalker confessing his many sins, and every crime was committed to get Abby's attention. Establishing contact with Abby brought Jack closer to a killer who had haunted him since the death of his sister. It had left him frozen, yet focused beyond belief--the perfect condition to keep Abby safe... moreJack Grant just couldn't leave a case cold. Luckily a hot tip led the investigator to Abby Conroy. Her Web site--Don't Say a Word--broadcast a stalker confessing his many sins, and every crime was committed to get Abby's attention. Establishing contact with Abby brought Jack closer to a killer who had haunted him since the death of his sister. It had left him frozen, yet focused beyond belief--the perfect condition to keep Abby safe. But if protecting her thawed the pain that had chilled his heart, would he still have a chance to bring her home this holiday? less