Which major book series' 2014 cover redesign was so universally rejected by fans that the publisher reverted to the original designs after sales plummeted by over 60%?

In the publishing world, cover design can make or break a book's success. Brand identity is crucial for established authors and series. This poll tests your knowledge about one of the most controversial book cover redesigns in recent publishing history - a branding decision that sparked massive backlash from readers and became a cautionary tale in literary marketing.

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Bloomsbury's minimalist redesign of the Harry Potter series
Penguin Classics' modernized versions of Jane Austen novels
Scholastic's 'adult-oriented' redesign of The Hunger Games trilogy
Random House's simplified covers for George R.R. Martin's A Song of Ice and Fire series