Your book trailer should;
- be approximately 2 minutes in length
- show the cover of the book
- inform viewers of the title, author, and a brief explanation of what made this book so enjoyable and worth reading.
- maybe include a bit about how you happened to choose this one
- share your enthusiasm for the book
- present you as an articulate, intelligent human being.
- maybe discuss other books that are related to this book.....i.e., "If you liked A Fault in our Stars...you'll like this...."
- expose the viewer to a brief passage from the book and an explanation for its inclusion.
If I think of more, I'll add them here.