Equal Rites flows smoothly from beginning to end with just slight hiccups that I feel are more due to editing than writing.
Again, Pratchett had many ideas he wanted to get down, and you can fully sense that there is more to come.
This book contains appearances by:
Bad Ass (of the Kingdom of Lancre)
The Dungeon Dimensions
The Million to One Chance
The Rag Rug
The ShadesUnseen University