A book on the wall

Lectern

Pick something below and start reading. ← → turn the page, F goes fullscreen, L brings this shelf back. A phone is optional — pair one and it becomes the margin, holding the footnotes and contents so the wall stays nothing but page.
Control from a phone
Z39X
Or drop an EPUB anywhere on this window.
Nothing is saved to an account; the room is wiped after a day.
Release to bind