What if you remembered something - like a name of a book - but that's not really what it was? ❤ The Mandela Effect is a theory of parallel universes, based in the idea that because large groups of people have similar alternative memories about past events. Welcome to the Mandela Effect. ∆ This was originally supposed to be a part of my conspiracy theories book, but I decided to make a seperate book since there are way too many. :)