Earth (The Book)/YMMV


 * Heartwarming Moments: The Afterword.
 * Nightmare Fuel: In the science chapter, the Lithotome. Despite the funny description, it's enough to make a male reader's legs go numb.
 * "An 18th-century tool doctors inserted through the urethra in order to relieve painful kidney stones. To put that in layman's terms, we used to shove pointy sticks in our dickholes on a rock-retrieval exploration dig."