Mind Graph is a graphic language to solve problems (math problems, programming problems, study problems…). Mind Graph Ebook explains in depth the characteristic and possibilities of this graphic language. It's a powerful technique for note taking, brainstorming, memorization, problem solving… It takes the best things of two world: mind maps (visual clarity) and concept maps (semantic). Mind Graph Ebook has got methods of searching of information and zoom effects. I used this method to resolve my own problems (computer science problems).