17. An electronic book (eBook) reader device comprising: a display; one or more processors; and memory storing instructions which, when executed by the one or more processors, cause the one or more processors to perform acts including: identifying a progress of a user through a collection of electronic books that are associated with the eBook reader device or the user, the progress of the user being based at least in part on a number pages that have been consumed in the collection of electronic books, the collection of electronic books digital works comprising a plurality of electronic books; identifying an estimated amount of time to complete an electronic book of the collection of electronic books; identifying a number of session of consumption of the electronic book; presenting, on the display, a progress bar indicating the progress of the user through the collection of electronic books; presenting, on the display, the estimated amount of time to complete the electronic book of the collection of electronic books; and presenting, on the display, an indication of the number of sessions of consumption of the electronic book.
17. An electronic book (eBook) reader device comprising: a display; one or more processors; and memory storing instructions which, when executed by the one or more processors, cause the one or more processors to perform acts including: identifying a progress of a user through a collection of electronic books that are associated with the eBook reader device or the user, the progress of the user being based at least in part on a number pages that have been consumed in the collection of electronic books, the collection of electronic books digital works comprising a plurality of electronic books; identifying an estimated amount of time to complete an electronic book of the collection of electronic books; identifying a number of session of consumption of the electronic book; presenting, on the display, a progress bar indicating the progress of the user through the collection of electronic books; presenting, on the display, the estimated amount of time to complete the electronic book of the collection of electronic books; and presenting, on the display, an indication of the number of sessions of consumption of the electronic book. 19. The eBook reader device of claim 17 , wherein the acts further include: presenting, on the display, a cumulative reading rate of the user for the electronic book of the collection of electronic books.