Audible launches an "immersion reading" feature that lets readers switch between ebook and audiobook versions of a title in their Audible and Kindle libraries (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch: Audible launches an“immersion reading” feature that lets readers switch between ebook and audiobook versions of a title in their Audible and Kindle libraries  —  Only days after Spotify announced its foray into physical book sales, which included an audiobook feature that lets …