1035: Oerth Ritual Almanack for the 6th Century, Vol. 1: Solar Eclipses
1036: Oerth Ritual Almanack for the 6th Century, Vol. 2: Lunar Eclipses
1037: Oerth Ritual Almanack for the 6th Century, Vol. 3: Planar Alignments
1038: Oerth Ritual Almanack for the 6th Century, Vol. 4: Crystal Sphere Alignments
1039: Oerth Ritual Almanack for the 6th Century, Vol. 5: Lunar Phases
1040: Oerth Ritual Almanack for the 6th Century, Vol. 6: Solstices and Equinoxes
(A series of books containing astronomical information relevant to various and sundry arcane and divine rites, rituals, and ceremonies, with maps and and diagrams providing additional details for such things as paths of totality or crystal sphere positions, where applicable)