- Alternate Character Interpretation: Is John the plucky sidekick, a complete jerk, or more of a hero than the narrator? One was provided by John's creator, portraying him as a guy from a broken home who, rather than Wangst about his past, copes with over-the-top humor.
- Crossing the Line Twice... three times... eight times... twelve to fifteen... per page...
John: Remember, these are children. Aim low.
- Genius Bonus: Jennifer patches up her leg with ace bandages and a tampon. History (or medical) buffs will know that tampons were originally used in war to plug up gunshot wounds.
- Nightmare Fuel: Has its own page.
- One-Scene Wonder: Korrok only actually appears during the climax of the book, but man does he make an impression.
- Paranoia Fuel: Oh, so much, usually combined with Nightmare Fuel.
- Special Effect Failure: In the film, the scenes in Korrok's world and the cavern by which it's accessed are done with bluescreen work worthy of a Syfy Original Movie.
- Uncanny Valley: The people in Korrok's world wear creepy masks and many of them go naked under the impression that it will make David and John feel more comfortable.
- Word of God: In regards to several character traits and plot points.