Gene Roddenberry
Bjo Trimble dedicates the book to three men, one of them series creator Gene Roddenberry. She wrote, "Dedicated to... Gene Roddenberry for creating Star Trek in the first place." There is also an introduction by Trimble where she explains how the book was developed and acknowledges those who assisted her. The preface by Dorothy Jones Heydt, dated June 1968, follows. In it Heydt explains her contribution to the "Concordance", as well as Roddenberry's concept of the stardate: