currency book

Lately Ian has this vague sense that something is out of place in his life. The strongest impression of this is from the time he met his best friend Heather. Bringing this up to her at the park, Ian is only met with a strange look. When Heather suddenly disappears in front of his eyes, memories of their first meeting come flashing back. "That''''s right Heather had a yonger sister, and she was the one who intrudced Ian to Heather in the first place!" Why did Ian not remember her until now. What is even stranger is Ian was closer to the sister than Heather.