Most self-publishing authors I’ve spoken with know they want to offer their books in paperback and ebook formats. And more often than not, they ask me if they should consider offering a hardcover or audiobook version. My answer is that it depends. When I first started my book review podcast and blog (circa 2006 when no one new what a podcast was yet and before self-publishing became the massive industry that it is now), traditional publishers would sell hardcover formats of new releases first. Readers who didn’t care about owning the hardcover or didn’t want to pay more for one…