PROA I Know What You're Thinking (Paperback with flaps). — made in Spain. You receive a letter inviting you to think of a number from one to a thousand. When,…
PROA I Know What You're Thinking (Paperback with flaps)., sold under the PROA brand, is manufactured in Spain. That origin is recorded at the "Internet-Sourced" evidence grade.
Origin evidence last reviewed 2026-07-30.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.