A thorough introduction to organic photochemistry through the means of formulas, reaction schemes, diagrams, definitions, graphs and tables. Easy-to-understand, the reader will be able to follow each self-explanatory figure without any other assistance. The corresponding text supplements the figures when additional explanations are needed. It will be of immense value to upper level undergraduates and graduate students and to organic chemists who need to learn the rudiments of organic photochemistry.