Claude Piron books in order
Swiss translator and Esperantist
- Lived
- 1931–2008
- Country
- Switzerland
- Books
- 3
- Also writes as
- Johan Valano, Johán Valano
Claude Piron published 2 novels and 1 novella, beginning with Did He Come From Outer Space? (1980).
Updated September 2026
Where to start with Claude Piron
Start here
Did He Come From Outer Space?
Claude Piron's most-read book.
Standalone novels in order
Did He Come From Outer Space? (1980)
Le Défi Des Langues (1994)
Novellas in order
Gerda Malaperis! (1983)
About Claude Piron
Claude Piron, also known by the pseudonym Johán Valano, was a Swiss psychologist, Esperantist, translator, and writer. He worked as a translator for the United Nations from 1956 to 1961 and then for the World Health Organization.
Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.
Claude Piron FAQ
- How many books has Claude Piron written?
- Claude Piron published 2 novels and 1 novella that we list, as of September 2026.
- What order should I read Claude Piron's books in?
- Publication order is a safe choice; the full list is above. Most readers start with Did He Come From Outer Space?.
- What is Claude Piron's last book?
- Le Défi Des Langues (1994).
- What is Claude Piron's most famous book?
- Did He Come From Outer Space? (1980) is Claude Piron's most widely read book.
- Does Claude Piron write under a pen name?
- Yes: Claude Piron has also published as Johan Valano and Johán Valano.
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers. Last updated September 2026.