Gašper Žitnik (ca. 1535–1585) was a jurist, a doctor of law from the Vienna university, a Count palatine, an Inner-Austrian government councillor and an important political figure in Carniolian and Styrian Counter-Reformation. He was also Bishop Tomaž Hren’s (1560−1630) uncle and had important influence on his upbringing, education and career. Besides being an occasional poet in his youth, he was also a book collector and he liked to inscribe various details about his study, work and personal life into his books. The paper gives an overview of Žitnik’s books, which are kept in the National and University Library, with an emphasis on his hand-written notes and some other peoples’ hand-written notes in his books which are of significance. The findings complement the already known facts about Žitnik’s life and work through this secondary information while also revealing some details about the relation between his books and him as their reader.Gašper Žitnik (ca. 1535–1585) je doktoriral iz obojega prava na dunajski univerzi. Bil je palatinski grof, svetovalec notranjeavstrijske vlade in pomembna politična osebnost v obdobju kranjske in štajerske protireformacije. Kot stric škofa Tomaža Hrena (1560–1630) je močno vplival na njegovo vzgojo, izobraževanje in kariero. V mladosti se je priložnostno ukvarjal s pesnjenjem, vse svoje življenje pa je zbiral knjige ter vanje zapisoval različne podrobnosti, ki se nanašajo na njegov študij, življenje in delo. Prispevek podaja pregled Žitnikovih knjig, ki jih hrani Narodna in univerzitetna knjižnica, s poudarkom na tistih, ki vsebujejo pomembnejše Žitnikove rokopisne zabeležke in pripise nekaterih njegovih sodobnikov. Odkritja skozi tovrstne sekundarne podatke dopolnjujejo dosedanja dognanja o Žitnikovem življenju in delu ter razkrivajo nekaj podrobnosti o njegovih bralnih navadah oziroma njegovem odnosu do knjig
