Buy 3, save 20% on Select Books at Amazon

Amazon offers a deal where buying 3 select books grants a 20% discount. The current price for the deal is $3 per book. There is no additional information about the original prices or specific titles eligible for the promotion. This deal is very limited in detail, with a very low current price and no clearly specified savings or original prices, which raises questions about its overall value and legitimacy. Without confirmation of the original price or the scope of eligible books, this deal appears to be either a placeholder or an invalid promotion, and it is not alert-worthy.