The Shadow of the Wind by Carlos Ruiz Zafón
I ran a search of this forum to see if there were any old threads about this book. I do remember talking about it in the TS forum ages ago though.
This book was very confusing to me at the time I read it. I was very impressed with the complexity and did enjoy the journey but I thought perhaps it had lost something in translation into English or that I was just at a place in my life where everything was confusing. lol
However, in the year or two since having read it, I still find myself thinking about the story and the characters. It's become almost indelibly etched into my memory and I have grown to love it and will read it again soon.