Silent night threat

"None of her training prepares astronaut Natasha Stark for what she wakes up to three weeks after her groundbreaking space voyage: a target on her back--and no memories. But there's something oddly familiar about the FBI agent who rescues her. Christopher Barton can't believe he drew the mission of safeguarding his long-ago fiancée and her daughter--a child he has every reason to believe is his. To learn the truth, though, he has to help Natasha...