Which famous literary advertising campaign featured the tagline 'Don't Panic' and was promoted with a fictional guidebook that later became integrated into the actual novel?

The intersection of literature and advertising has created some of the most memorable marketing campaigns in history. Publishers and authors have used innovative strategies to promote books, sometimes creating advertisements that become cultural touchstones in their own right. This trivia challenges your knowledge of famous advertising campaigns that revolutionized book marketing and literary promotion. How well do you know the iconic campaigns that helped transform certain books into bestsellers and classics?

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The Hitchhiker's Guide to the Galaxy by Douglas Adams
1984 by George Orwell, with Apple's Super Bowl commercial
Jurassic Park by Michael Crichton, with the 'Life Finds a Way' campaign
The Da Vinci Code by Dan Brown, with the cryptex puzzle promotion