Book two of The Thirty-nine Clues is about Amy and Dan Cahill in the race for the thirty-nine clues.They are surprised to find that they are in the lead in the race. The search for the thirty-nine clues has taken them to vienna. They hold the key to find the next clue. It’s a coded sheet of Mozart’s music.The problem is that they are being traced by their power-hungry relatives. Amy and Dan don’t know if they are sailing to victory or straight into a deadly trap.
I really hope you get to read this book its great. It’s like a mystery, action, and excitement all combined. The book will be great if you like one or all of these types of stories.