Curiosity of the volume is given by the volume format different to generality, every year changing colour of the clothbound and the golden print on the book cover. The speciality of the crest montage gives that it has used certain elements of the crests identifying the scientific classes of the Association of Hungarian PhD and DLA candidates. which form a unit in the new graphical element on the basis of the ideas of the graphic artist Barbara Galambosi. In Volume 1 are the monographic re-makes of three doctoral dissertations published. Katalin Atanazovné Hartung defined first time in her doctoral dissertation „The manufacturing theoretical foundation of Blue Economy” the conception of Blue Economy within the frames of terms of the mainstream economy, restricted in this way the focus of the investigations on the field of theory of production. Judit Grotte’s doctoral dissertation „The use of Internet in organisation of leisure time travels in Hungary” is to find in the second half of Volume 1. The author examines the connection between tourism and Internet or more exactly the absence of that. Orsolya Horváth carries on research in her work „The criminalistic usage of search dogs” of knowledge directly connected to criminal procedure, associated primary to the activities of search dogs of the criminal service. In her dissertation she describes the work of search dogs at law enforcement bodies, but she refrains from detailed presentation of watchdogs and patrol dogs applied in the public order branch. In Volume 2 is presented firstly the doctoral dissertation of Veronika Poreisz „Coherences of areal and business competitiveness using the example of Hungarian big cities”. This dissertation is a multidisciplinary paper as it connects the areas of regional economy, management and business finance. Piroska Szabó describes in her doctoral work „Optimizing of anaerobic fermentation processes in point of applicability of microalgae and metering of micro-elements” about increasing energy demand of the world, the danger of exhausting fossil energy reserves and the opportunities of renewable energy sources handled by our coal-based societies developed by environment damaging effect of fossil energies. Gabriella Ürmösné Simon’s doctoral dissertation „Comparative analysis of monoglots and Greek-Hungarian bilingual people reflected in sexes” closes Volume 2. Research object of the author is how to compare monoglots and Greek-Hungarian bilingual people’s communication in terms of sexes.