1. Grab the nearest book.
2. Open the book to page 123.
3. Find the fifth sentence.
4. Post the text of the sentence in your journal along with these instructions.
5. Don't search around and look for the "coolest" book you can find. Do what's actually next to you.
Well, page 123 starts in the middle of a sentence, so I'll post two sentences. That way I'm covered whether the half-sentence counts or not.
"The upshot: Always carry enough food and fresh water for the journey's duration. A level-three filter pump should also be used for cooking and bathing."
An imaginary voucher for a free cookie goes to the person who knows what book it's from.
Hint: It's not your average survival guide.