“a humument” by tom phillips (1970)

A Humument: A treated Victorian novel is an altered book by British artist Tom Phillips, first published in 1970. It is a piece of art created over W H Mallock’s 1892 novel A Human Document whose title results from the partial deletion of the original title: A Human document.
Phillips drew, painted, and collaged over the pages, while leaving some of the original text to show through. The final product was a new story with a new protagonist named Bill Toge, whose name appears only when the word “together” or “altogether” appears in Mallock’s original text (…) (wikipedia)

browse through the book here: http://www.tomphillips.co.uk/humument/index.html