This "Slide Design" book is a "how-to" design a slide-show presentation, that helps:
The audience follow the presentation;
The speaker present rather than read notes;
The speaker build goodwill for him/herself.
in class presentation can be found here.
The Slide Design concepts presented focus on:
The visual aspects of the presentation. In particular:
How to use: images, numbers, bullet points…
The content presented. More precisely:
How to focus on conciseness, by
Paying attention to the wording of sentences…
The clarity of the slides:
Using one idea per slide
Using a slide to demonstrate a point
Introducing the idea in the title