It may be better to select a different retailer to compare the pbook price with the ebook price, Amazon lists prices for -anyone- selling the book, and will list it as 'new' if the seller marks it as new when they set it up.
This doesn't reflect what the publishers are asking for the book, but what a retailer is asking for a secondhand book. And as noted earlier in the thread, this can happen with brand new books. People buy them, read them, and sell them off for less. Or buy them in bulk and get discounts that way.
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