A puzzle book by the British game Designer Steve Jackson (not the US game designer Steve Jackson). Institute Copy.
Published: 1985
Solved: ???
Pages: 32
ISBN: 978140319699
Publisher: Oxford University Press
A series of 12 challenges with detailed illustrations that opens out a 13th challenge. Solving that deems you worthy to be the heir of the land of Gallantaria.
This puzzle book did not have a physical prize, solving it would have to be the reward itself. People found it difficult and so Steve Jackson published a small book with hints for the book.