This final project report is written based on the job training done in ExploreSolo.com in one month starting from March, 3rd 2014 until April, 4th 2014. The objectives of this final project are to describe the function of Public Relations of ExploreSolo.com in building its image, especially how ExploreSolo.com build its image through E-book publication to public. In this report, the techniques of collecting the data are observation and interview. The observation is conducted when the writer was on the job training. The interviews are done to the management of ExploreSolo.com. Having explored the function of Public Relations of ExploreSolo.com in building its image, the writer found several activities related to image building through website, social media, services, social event, and exhibition. Besides those, E-book publication is also one of the activities of Public Relations of ExploreSolo.com in building its good image. The books mentioned are Guide Book to Explore Karimunjawa and E-book of Destinations. Both of the books are uploaded through free website that can be freely downloaded by public. Hopefully, this final project can be beneficial to the readers and those who are interested in Public Relations.