Which major publishing merger in 2013 created the world's largest trade book publisher, bringing together historic literary houses that publish authors like Dan Brown, John Grisham, and George R.R. Martin?

The publishing industry has seen numerous significant mergers over the decades, reshaping how books reach readers. In 2013, one particularly momentous merger created the world's largest consumer book publisher, bringing together iconic literary houses with centuries of combined history. This consolidation represented a major shift in the publishing landscape, combining catalogs that include some of the most celebrated authors in modern literature. Test your knowledge about this industry-defining merger!

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Random House and Penguin (creating Penguin Random House)
HarperCollins and Simon & Schuster
Hachette Book Group and Macmillan Publishers
Scholastic and Bloomsbury Publishing