Which major publishing house rebranded in 1935 with the now-iconic 'Penguin' logo and revolutionized the industry with affordable paperbacks in distinctive orange covers?

Throughout history, publishing houses have developed distinct brand identities that readers recognize instantly. These companies have shaped literary culture and created lasting legacies through careful brand management. This poll tests your knowledge of famous publishing brand transformations and the strategic decisions behind them. Do you know which iconic publisher made this revolutionary branding move?

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Penguin Books, founded by Allen Lane after he couldn't find quality affordable books at a railway station
Random House, as part of their strategy to compete with newspaper sales during the Great Depression
HarperCollins, when they pioneered the concept of color-coded book genres for mass market appeal
Simon & Schuster, when they introduced their 'Pocket Books' imprint with animal mascots for different genres