Find the word definition

Wikipedia
Wallbook

A Wallbook is a large printed book that is designed also to be mounted on a wall. For example, its design may be concertina folded so it can be read like a book or hung on a wall.

The name was coined by Christopher Lloyd (world history author), creator of The What on Earth? Wallbook which claims to be the first ever attempt to illustrate the entire history of everything from the Big Bang to the present day on a single timeline.