What are The 39 Clues about?

Answer 1

The thirty nine clues is about 2 kids who are runaways after their grandmother dies. At the funeral, they have a choice between 1 million dollars or the hunt for the 39 clues. They choose the hunt. Their au pair is their adult through the journey and one more thing, this hunt leads to the secret of world power. There is a catch though, their relatives will KILL to get the clues first. Loving family right? This hunt leads them around the world for the clues.