Sinners Domino Entertainment in Germany handily knocked down the Book Domino record by creating a 10,200 novel cascade for the Frankfort Book Fair. Not too surprisingly, Hoffmann und Campe Verlag which distributes the 2016 version of the Guinness World Records book , organized the event. The record breaking event was held before crowds on October 14, 2015.
Following the Guinness World Records guidelines, after the first book was pushed down no other book in the assemblage was touched so that each piece had to fall down as a result of the initial contact
Source: Guinness World Records