'In the book On the Trail of the Golden Man, Flynn and Mia join Uncle Earl in the Amazonian jungle camp of Dr Simmons. Dr Simmons has found a clue to the location of El Dorado and the legendary Golden Man. Trekking through the jungle, Mia and Flynn become separated from the others and are led to El Dorado by Sipu, their Indian guide. Sipu reveals he is the Golden Man and that Uncle Earl and Dr. Simmons have been captured. Sipu promises to help Mia and Flynn rescue Uncle Earl, if they promise to never reveal El Dorado's location.'
Source: Publisher's blurb.
