Thezalden ch'Letha was an chan Andorian in the 24th century. In 2376, ch'Letha attended a lecture on sex education, although he used the time to study for an important exam. The instructor commented that having and achieving goals like exams was important, but that he had dishonored his three bondmates by not paying attention to the lecture. (DS9 - Worlds of Star Trek: Deep Space Nine novel: Andor: Paradigm)