Out of all of them, "Saint Seiya" is his most famous work in the western world but not in Japan, its popularity there is surpassed by that of "Ring ni Kakero" (1 and 2), which is the longest of Kurumada's works, at 51 collected volumes. "Saint Seiya", is collected in 28 volumes to date, and has been resumed by Kurumada with "Saint Seiya Next Dimension", the continuation to his original manga, ending the hiatus the work remained in since 1991, and to date adds eight more volumes to the original "Saint Seiya" manga, for a total or 37 volumes. The third longest is "B't X", collected in 16. As stated before, Anime adaptations have been made for "Saint Seiya", "Fūma no Kojirō", "B't X", and "Ring ni Kakero", all closely follow his source manga works.