"Introduction to Synthetic Line Geometry" provides a comprehensive introduction to spatial projective geometry, addressing the fundamental concepts and structures of this mathematical discipline. The author, Hanns J. Stoss, explains the complex relationships of the linear complex, which can be examined both in three-dimensional projective space and in a five-dimensional complex space. This specialized book is aimed at students and professionals seeking a deeper understanding of geometry and wishing to familiarize themselves with the theoretical foundations and applications of synthetic line geometry. The clear and precise presentation of the topics enables readers to grasp and apply the concepts effectively.