The first 25 years of the 21st century have been about as relaxing as a rollercoaster ride (one where you don’t have that much fun but you do get whiplash!). From global conflicts to polarizing elections to a once-in-a-lifetime pandemic, we’ve been through a quarter-century of “unprecedented events.” And we’ve watched them unfold in a relentless news and social media cycle that has forever altered the way we understand and connect with one another.  Despite all the goings-on, we still managed to buy a lot of books — over a billion a year in the U.S., according to one estimate . At 99designs, we love exploring how key political and social moments throughout history affect graphic design and broader visual culture, including book covers. They’re designed and marketed to appeal to whatever we’re attracted to in the moment, whether that’s escapism or political intrigue or secret billionaires or dragons or, simply, pink.…