The purpose of the study is to identify (1) availability of fiction book collection at the library of SMK Muhammadiyah Gamping (2) animo of visits to the library of SMK Muhammadiyah Gamping (3) effects of availability of fiction book collection to animo of visits to the library of SMK Muhammadiyah Gamping (4) the degree of effects of the availability of fiction book collection to animo of visits to the library of SMK Muhammadiyah Gamping. Data were obtained through questionnaire, observation, interview, and documentation. The independent variable is availability of fiction book collection and the dependent variable is animo of visits. Analysis used product moment correlation and simple linear regression. Sampling used accidental technique involving 71 respondents. Data were processed using SPSS 22 for Windows. The result of the study showed there was effect of availability of fiction book collection to animo of visits (tcalculation was 0.644 and ttable 0.227). Thus the hypothesis that there was positive and significat effect of the availability of fiction book collection to animo of visits to the library of SMK Muhammadiyah Gamping was accepted. The degree of effect was obtained through squaring t table with the score 0.415 which indicated that animo of visits was affected by availability of fiction book collection as much as 41.5% and the rest (58.5%) was affected by other factors.