Celsus has published 1 non-fiction book. The best-known is On the True Doctrine.
Updated September 2026
Where to start with Celsus
Start here
On the True Doctrine
Celsus's most-read book.
Non-fiction in order
On the True Doctrine (1987)
Free to read
All free classics
About Celsus
Celsus was a 2nd-century Greek philosopher and opponent of early Christianity. His literary work The True Word survives exclusively via quotations in Contra Celsum, a refutation written in 248 by Origen of Alexandria. The True Word is the earliest known comprehensive criticism of Christianity and Judaism.
Biography from Wikipedia, CC BY-SA 4.0.
Celsus FAQ
- How many books has Celsus written?
- Celsus has published 1 non-fiction book that we list, as of September 2026.
- What order should I read Celsus's books in?
- Publication order is a safe choice; the full list is above. Most readers start with On the True Doctrine.
- What is Celsus's most famous book?
- On the True Doctrine is Celsus's most widely read book.
- Can I read Celsus's books for free?
- Yes. 1 book by Celsus is in the public domain in the US and free to read online or download here.
Authors like Celsus
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers, free texts from Project Gutenberg. Last updated September 2026.