This guide details all vendor locations in Indiana Jones and The Great Circle, highlighting their importance in acquiring crucial mission items and skill-enhancing books. Vendors are key NPCs, selling books to unlock skills and reveal collectible locations on the map. Each major area (Vatican City, Gizeh, and Sukhothai) features at least one vendor offering essential mission gadgets.

Vatican City Vendors

Two vendors are located near each other, easily accessible from the Belvedere Courtyard.

Ernesto (Post Office): This vendor is crucial for the "Stolen Cat Mummy" mission, selling you a camera initially. He also offers books detailing Vatican City mysteries, artifacts, books, and notes.

Valeria (Pharmacy): Located in the pharmacy, Valeria is missable but sells the "Moxie" and "Shaping Up" book series, boosting maximum stamina and health.

Gizeh Vendors

Gizeh also has two vendors, though further apart, necessitating fast travel between them.

Asmaa: Key to the "The Idol of Ra" mission, Asmaa initially sells a lighter. She also stocks books on Gizeh notes, mysteries, artifacts, and books.

Kafour (Worker's Area): Found in the Worker's area, Kafour trades books for medicine bottles, offering the "Moxie" and "Shaping Up" series.

Sukhothai Vendors

Sukhothai's two vendors are a short boat ride from each other.

Noo (Medical Hut): Located in the Khaimuk Saksit Village Medical Hut, Noo requests medicine bottles in exchange for the "Moxie" and "Shaping Up" books.

Tongdang: The main Sukhothai vendor, Tongdang sells a breathing device and books covering Sukhothai mysteries, artifacts, cogwheels, notes, and books.