Le t the hunt begin. During the reading of their grandmother's will, Dan and Amy Cahill learn that the secrets to their family's power is hidden in the form of 39 Clues around the world. 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...

The two kids were last seen in Egypt, hunting for one of the 39 Clues that could make them the most powerful people on earth. But no one has seen the siblings since. Has the ruthless Irina Spasky finally tracked them down? Or worse-- the Madrigals? "A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches...

Addie Downs and Valerie Adler will be best friends forever. That's what Addie believes after Valerie moves across the street when they're both nine years old. But in the wake of betrayal during their teenage years, Val is swept into the popular crowd, while mousy, sullen Addie becomes her school's scapegoat. Flash-forward fifteen years. Valerie Adler has found a measure of fame and fortune working as the weathergirl at the local TV station. Addie...