This presentation summarizes research on the high costs of textbooks and their negative impact on students. It notes that the presentation is a derivative work based on four other works licensed under Creative Commons licenses. The presentation then provides data showing rising student loan debt levels in the US and Canada, large increases in textbook costs, and negative impacts of these costs such as students not purchasing required textbooks or taking certain courses due to textbook costs. It advocates for adopting open textbooks to provide significant savings for students while improving access and learning outcomes.