Have you seen me? a novel of suspense

"The key to her missing memories could bring relief--or unlock her worst nightmares. On a cold, rainy morning, finance journalist Ally Linden arrives soaked to the bone at her Manhattan office, only to find that she's forgotten her keycard. When her boss shows, he's shocked to see her--because, he explains, she hasn't worked there in five years. Ally knows her name, but is having trouble coming up with much beyond that, though after a trip to the...