Returns an internal class, that provides enumerable possibilities over all existing EBook formats

Electronic Publication (ePub) format is an e-book file format that provide a standard digital publication format for publishers and consumers. Learn more about this file format here.

MOBI is the name given to the format developed for the MobiPocket Reader. It is currently used by Amazon with a slightly different DRM scheme and called AZW. Learn more about this file format here.