Everything She Forgot by Lisa Ballantyne
Margaret Halloway is having trouble concentrating after she escapes a horrific pile-up in London, when someone pulls her to safety. Having flashbacks that remiond her of her childhood causes her to try and find the person who came to her aid.
This intense mystery keeps you wondering what went on in her past and who the stranger was that saved her life. The story kept me motivated even up to the very end, when things came to light as to whom her rescurer was the saved her from a firery death.