"Forty years ago, Steven Smith found a copy of a famous children's book by disgraced author Edith Twyford, its margins full of strange markings and annotations. Severely dyslexic and wanting to know more, he took it to his remedial English teacher Miss Iles, not realising the chain of events that he was setting in motion. Miss Iles became convinced that the book was the key to solving a puzzle, and that a message in secret code ran through all Twyford's...

A trio of misfit toys must discover who is responsible for stealing the secret code that controls every Snaztacular Ultrafun toy and turning those toys against their child owners.

"¿Qué pasaría si descubrieras que tu familia es una de las más poderosas de toda del historia de la humanidad? ¿Y si te dijeran que la fuente de poder de la familia está escondida por todo el mundo en forma de 39 pistas? ¿Y si, además, te dieran a elegir entre tener un millón de dolares... o conseguir la primera de las pistas? Si fueras Amy y Dan Cahill, ¡escogerías la pista y emperazarías una carrera muy peligrosa!" --From publisher's...

At the reading of their grandmother's will, Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the 39 clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they end up in a dangerous race against their own family members.

Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair. Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded.