6:06am PDT - July 30th, 2021

#OnThisDay in 1935, the first ever #Penguin book was published. The books cost sixpence and were colour-coded: orange for fiction, blue for biography and green for crime. The first batch includes books by Ernest Hemingway and Agatha Christie. #booklover #didyouknow #edutwitter https://t.co/lmuKx201TQ

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