The Ripley’s Believe It or Not! cartoon is the longest running cartoon strip in the world. It has been published since 1918, when Robert Ripley himself was the cartoonist.By 1933, the Ripley's Believe It or Not! Cartoon was read daily by millions of people in 17 languages across 300 publications around the world. Selections from this rich treasure trove of unbelievable stories make up our compilation of cartoon ebooks, each guaranteed to astound, amuse and entertain.