In this one-of-a-kind comic book, a boy called Jimmy is asked to choose between two ice cream flavours: chocolate or vanilla. Choosing vanilla will mean that Jimmy will go home after a pleasant afternoon, while choosing chocolate will lead him to the lab of a scientist, and endless adventures.

This interactive "choose your own adventures" style book branches off into myriad stories, depending on which option the reader picks for Jimmy.

With 3,856 possible stories, Meanwhile demands many re-reads, and endless opportunity to appreciate the maths that was used to create such an ingenious work.

Of the book’s author Jason Shiga, Scott McCloud has said, “Crazy + Genius = Shiga.”