The page on Amazon for Shadowheart by Laura Kinsale shows:

Product Details
Paperback: 512 pages
Publisher: Berkley (April 6, 2004)
Language: English
ISBN: 042516232X
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I had really thought I was going on 3 years reading romance but this was the first book I bought that I would call romance. I slightly recall some western bodice clinch cover I read around 16 but don’t remeber enough for it to count.

Sooooooo:
4/04-4/05 one year
4/05-4/06 will be two years

under 2 years and I have read as many books as I have and own as many as I do… yikes I need to get a life.