The two typos in this single sentence of the blurb jumped out at me.
Typos in the book blurb indicate a lack of attention to detail, editing, and a basic failure to run SpellCheck. SpellCheck would only have caught one of them, since the other typo resulted in another word that doesn’t make sense in that context. Still., they do not inspire confidence in the production that may have gone into the book in question or in any of the other books available on your site.
As a consumer, I’m wary of shelling out $7 for a book that may be littered with typos. It may be very tightly edited…but I can only go by the blurb, which was not.
First impressions and all.