Jakov Tomasović (Kučiće, 1882 ˗ Split, 1962) was a versatile and respected cultural persona of an interwar town of Omiš. He was a prolific author, bookseller, publisher, editor of literary periodicals, animator of theatrical amateurism, promoter of tourism, mayor deputy and an interpreter. His literary pen name was the Cetinski mlinar. During his stay in Rijeka (1907 - 1915) he acquired a wide range of knowledge, so he decided to open the first ever private bookstore in Omiš (1918 - 1944), he made the first tourist guide of Omiš town (1926), he started, edited and published Jadranskavila(1928 – 1937), the only literary periodical at the time on Adriatic coast. The aim of this paper is to clearly describe and unite Jakov Tomasović’s literary, editorial and publishing work, as well as to examine the public Library Omišꞌs role in storing, promoting and publishing his legacy. The main purpose of this work is to consolidate the author’s cultural contribution and to ameliorate the availability of his unpublished literary material. The first part of this paper includes an overview of Jakov Tomasović’s personal life, his literary creation and the work of Tomasović bookstore through reference works. The second part of this paper describes the summary of his legacy, availability of his literary composition in Public Library Omišꞌs catalogue and displays the ways of promoting his manuscripts via publishing activity of. This paper also includes the bibliography of Jakov Tomasović’s published literary works as well as an interview with his granddaughter, Marija Kalafatić.