Max and Billy have to travel to Egypt to solve this "presidentially" important mystery. Max and Billy realize this mystery will be way more challenging. When falling into a hole and getting sick, do you think Max and Billy will solve the mystery? Or, will they fail and Egypt would fall?
Max and Billy have to solve another mystery, again. This time, it is a major one, and they have to fly to Egypt with help from their friends and Martin and Chris. But, what is the mystery? And who did that cruel thing to the Prime Minister of Egypt???
Billy and Max have been sent to find what made the trees die. They had to struggle with not much time to complete the mystery, building and getting in the wrong hands and do you think they will solve it in time, or fail college?