Pope Gregory IX books in order
Pope of the Catholic Church from 1227 to 1241
- Lived
- 1170–1241
- Books
- 3
Pope Gregory IX published 3 novels, beginning with Quo Elongati (1230).
Updated September 2026
Where to start with Pope Gregory IX
Start here
Quo Elongati
Pope Gregory IX's most-read book.
Pope Gregory IX books in order of publication
Quo Elongati (Oct 1230)
Parens Scientiarum (Apr 1231)
Pietati Proximum (Aug 1234)
About Pope Gregory IX
Pope Gregory IX was head of the Catholic Church and the ruler of the Papal States from 19 March 1227 until his death in 1241. He is known for issuing the Decretales and instituting the Papal Inquisition, in response to the failures of the episcopal inquisitions established during the time of Pope Lucius III, by means of the papal bull Ad abolendam, issued in 1184.
Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.
Pope Gregory IX FAQ
- How many books has Pope Gregory IX written?
- Pope Gregory IX published 3 novels that we list, as of September 2026.
- What order should I read Pope Gregory IX's books in?
- Publication order is a safe choice; the full list is above. Most readers start with Quo Elongati.
- What is Pope Gregory IX's last book?
- Pietati Proximum (1234).
- What is Pope Gregory IX's most famous book?
- Quo Elongati (1230) is Pope Gregory IX's most widely read book.
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers. Last updated September 2026.