The Ordnance Survey Great British Treasure Hunt 2020

A follow up to the bestselling 2018 & 2019 Ordnance Survey Puzzle Books, the Ordnance Survey Great British Treasure Hunt is here with puzzles based on 40 brand new maps stretching the entirety of Britain.

In this edition you will find various puzzles to solve with good ol’ Aunt Bea, as she takes her nephew on a voyage of discovery around our Isles.

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