This book is about educational action research. The reader will find information about this alternative research methodology, its characteristics, its history, its theoretical and epistemological framework, the educational fields in which it can be utilized, its possibilities as well as its limitations. After a brief and informative introduction to each field, translated excerpts from relevant English-language articles and books are presented. Its content is not limited only to theoretical elements, but also extends to practice. It offers the reader specific examples through brief descriptions of many action research studies that have been conducted both abroad and in Greece. Finally, it suggests to every interested party a detailed-descriptive bibliographic guide, where books related to educational action research are presented and commented on in a concise manner. [...]