Dark Horizons, trailers . . . what's it all about?

Book trailers. Do they work? I'm not sure. I suppose it depends what they're supposed to do. Film trailers are a different animal altogether – there's already a whole range of images avaialble to take from the film; clips that can tease the audience with what to expect. Sound bytes and famous faces. They're shown right before you watch . . . another film. Oh, and there's the guy who sounds like he drinks acid laced with broken glass.

A book trailer, though? Text? I mean,