https://www.elearningguild.com/publications/index.cfm?id=108

Strong visuals can do a lot to make the information you’re sharing easier for people to understand and remember. Thankfully, effective visual design in L&D is less about your fine art skills and more about understanding how information can best be conveyed visually, and how to use those approaches creatively in your own work. This eBook, 233 Tips on Graphics and Visual Design, contains design concepts and ideas that don’t just work in theory, but have real, practical application in the work we do on a regular basis.