Indiana Jones and the Seven Veils(1991)
(The third book in the Indiana Jones series)
A novel by Rob MacGregor
Returning to New York from a dig, Indiana Jones learns of the recently discovered writings of Colonel Percy Fawcett, which reveal the existence of a lost city in the Brazilian jungle and a race of people descended from the Druids.
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Used availability for Rob MacGregor's Indiana Jones and the Seven Veils
November 1991 : USA Paperback