Espasa-Calpe Trees Keep the Secrets of the World (Paperback with flaps). — made in Spain. Dulcinea (Paola Calasanz) is a writer, Instagrammer and YouTuber,…
Espasa-Calpe Trees Keep the Secrets of the World (Paperback with flaps)., sold under the Espasa-Calpe brand, is manufactured in Spain. That origin is recorded at the "Internet-Sourced" evidence grade.
Origin evidence last reviewed 2026-10-24.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.