[{"id":57273,"title":"Ρουμανία","subtitle":null,"description":null,"image":null,"isbn":null,"isbn13":null,"ismn":null,"issn":null,"series":{"id":4153,"name":"Παρατηρητήριο Βαλκανίων","books_count":4,"tsearch_vector":"'balkanion' 'balkaniwn' 'parathrhthrio' 'parathrithrio' 'paratirhthrio' 'valkaniwn'","created_at":"2017-04-13T01:26:41.978+03:00","updated_at":"2017-04-13T01:26:41.978+03:00"},"pages":72,"publication_year":1999,"publication_place":"Αθήνα","price":null,"price_updated_at":null,"cover_type":"Μαλακό εξώφυλλο","availability":"Κυκλοφορεί","format":"Βιβλίο","original_language":null,"original_title":null,"publisher_id":787,"extra":null,"biblionet_id":58876,"url":"https://v2.bibliography.gr/books/roumania-98267ffc-c9a2-454c-9271-b80d98fd6db4.json"}]