Hi Patricia: I've found the publisher's slides to be weak, even marginal. They provide plain looking slides and tend to simply summarize the information from the text. I think creating our own slides can be more colorful, informative, and interesting, and therefore, students will pay attention and tend to retain more of the essential content. Discussion, engaging students, group study, class presenationtions, - these kinds of thinks create better information retention. When students are participating, they are going to learn more and retain more. Regards, Barry