The objective of this study is to examine the impact of bibliotherapy on the social-emotional skills, reading interest and reading motivation of psychological counselor candidates. The research is a quasi-experimental study and qualitative data were obtained in order to support the quantitative data. The study group consisted of 10 third year psychological counselor candidates studying in the Department of Guidance and Psychological Counseling at Near East University in the Spring Term of 2017-2018. In order to collect quantitative data, Social Skills Inventory, Adult Reading Motivation Scale and Reading Interest Scale were used and a structured interview form was employed to collect qualitative data. As a result of the study, it was determined that the post-test scores of the emotional sensitivity subscale of bibliotherapy training were significantly higher than the pretest scores of the participants. In the study, it was concluded that there was a statistically significant difference between the pretest and post-test scores obtained from the Adult Reading Motivation Scale and the recognition sub-dimension after bibliotherapy training. As a result of this study, bibliotherapy training was found to be effective, beneficial, useful and educational by the participants. In addition, according to the data obtained from the study, it was seen that the psychological counselor candidates stated that they would use the bibliotherapy technique when they become school counselors in the future.