"I still don't believe it! It's impossible," Sarah sank into the seat, pouting petulantly. In case you were wondering, she wasn't talking about the fact that we'd ended up travelling through most of the world's most famous works of fiction and were alive. Or the fact that the passengers had failed to notice their train tearing through another dimension. Not even the fact that no time had passed in the real world whilst we were away. She was sulking about the fact that none of the chattering girls and glowering teachers around us had noticed our absence. "I mean come on," she wailed, "we're indispensable members of the school. I rolled my eyes, and reached apprehensively for my book- I know that, all things considered, this may have been a thick idea, but I was curios, okay? I frowned. It felt too hard and flat to be a book. I drew it out.

Oh. It was a DVD box. I glanced at the title. "Sarah," I called to her, "how'd you feel about swimming?" Across the top of the box, in white, was a single word: "Titanic." I waved the box at Sarah. She glowered back. I was pretty sure my boring afternoon had ended permanently.