The WSJ columnist has been testing Indigo’s new iPhone ereading offering, Shortcovers: “At Shortcovers is the more ambitious and creative of the two. launch, it expects to have 200,000 shortcovers — chapters or other free excerpts — available. About 50,000 of these also will be available for purchase as full digital titles; the rest can be ordered as physical books. Of the digital titles, roughly 15,000 to 20,000 will be older or public-domain books, and the rest commercial books. Typical book prices will be between $10 and $20. If you want to buy paid shortcovers — say a chapter of […]