Other editions of book The Mystery of the Missing Device

The secret device has gone missing!Isabelle Jones and her sister, Kathryn must race against time to find the villain, Dr. Sinister who has stolen the F-143, a very important secret device from S.P.Y. (Sisters Protecting You), a top secret agency dedicated to protecting the world against super villains. If the secret device is activated, it will destroy the world!Their mission takes them to the beautiful city of Paris, where they must find Dr. Sinister’s hideout and put an end to his evil plans.Can the sisters save the world?

The secret device has gone missing! Isabelle Jones and her sister, Kathryn must race against time to find the villain, Dr. Sinister who has stolen the F-143, a very important secret device from S.P.Y. (Sisters Protecting You), a top secret agency dedicated to protecting the world against super villains. If activated, it will destroy the world. Their mission takes them to the beautiful city of Paris, where they must find Dr. Sinister’s hideout and put an end to his evil plans. Will the sisters be able to stop him before it is too late?