Are you looking for an innovative book on marine biology, overcome by the many lists of plants and animals ressembling rather phone directories? This book is the answer. Neolibro format, a visual tool to understand the life in the Mediteranean Sea. An ecological approach: the intertwining of plant and animal communities, the role of temperature, light, salinity... Divers, students and nature enthousiast shall not miss this opportunity. A companionbook on holidays, sailing, diving: you can enrich it with your own notes and comments. The official text of Associazione Nazionale Istruttori Subacquei, the Italian National Diving iInstrucors Association