Treasure Hunters: Danger Down the Nile is a children's adventure novel written by James Patterson with Chris Grabenstein. It is the second book in the Treasure Hunters series and the sequel to Treasure Hunters. It was published in 2014. In this book, the Kidd siblings head on a quest to find the legendary mines of King Solomon and their parents. They navigate their way down the Nile, from hot and dusty Cairo in Egypt to deep dark jungles in Congo, passing some villains along the way. The story shows them using all their survival instincts to make it out alive. Source: Wikipedia (en)