505775
9780330398381
This two-books-in-one edition first sees the children follow a kidnapped boy to a faraway land and unravel a plot to kill the king. In the second story they journey down a river through ancient lands to find Bill, who has disappeared.Blyton, Enid is the author of 'Circus of Adventure/the River of Adventure Two Great Adventures' with ISBN 9780330398381 and ISBN 0330398385.
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