Would you do me a huge favor? There is something wrong with the verb tenses in this paragraph and I can't figure out what it is. I know I used the past perfect tense incorrectly -EGADS! - but I can't quite figure out why or how to better put this and it irks me. 
>The third blast of wind blew open a bedside book that I had bought a few months earlier. I found the beautiful book in a used bookshop and instantly knew it was destined for him. The book was written in Arabic and he could not read it, but he spent many hours with it in his still strong hands, turning page after page from left to right, spellbound.