The Glorious Reascent of Yelm Glorantha (Glorantha Background Book, 1994, Chaosium, Product #:WA0500)

The Fortunate Succession (Glorantha Background Book, 1995, Chaosium, Product #:WA0501)

The Entekosiad Glorantha Background (Glorantha Background Book, 1996, Chaosium, Product #:WA0510)

The Missing Lands (Glorantha Background Book, 1998, Chaosium, Product #:WA0???)