Unlike a slideshow that is made up of multiple slides, a prezi is just a single page or

A map-like assembly of links on one page that grants access to detailed information on other pages.

Explanation:
Instead of moving from slide to slide in a presentation, a prezi has one page with a descriptive map like access to the entire presentation. This enables the viewer to zoom in on specific pages, and to pull back to reveal the contextual meaning of the page.
The use of prezis can be found on many HTML pages.

Her interest would be the first to attract her to read the book then would come connection with the character which would keep her interest in the book.