Do you think "The Alchemist" is Paolo Coelho's best book ever written?

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I definitely like The Alchemist. It's the book which made me decide that Paolo Coelho is my most favorite author of all time (although next to J.K. Rowling only, huh, whatever!). However, I love "By the River Piedra i Sat Down and Wept". It made me cry my heart (and liver) out. So i think it is his best book ever. So what do you think?