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Probably the Hunger Games trilogy. Hunger Games is black with a gold bird and white text, Catching Fire red with white text. 13 districts, and revolves around a battle royale.
Could it have been Endgame Trilogy? Central number is twelve but otherwise a tournament of Players. The sequel cover
◊ is red and silver.
^ Wow thank you so much! That is exactly what I was looking for, thank you! :D
i remember seeing this book back in 2015/2016. the book was a gold foil hardcover with black and white text. i don't remember the description but the book seemed to be about a tournament or contest of some kind and there was a central number, i think it was 13? the book also had a sequel with a red foil hardcover and silver text. this is all i remember unfortunately.