What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 clues? What if you were given a choice - take a million dollars and walk away ... or get the first clue? If you're Amy and Dan Cahill, you take the clue - and begin a very dangerous race.

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's quest to find the million dollars takes them to Vienna, where they must outwit their power-hungry relatives as they seek to solve a clue involving Mozart.

"Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Marie Curie to Harry Houdini is related to the Cahills, yet the source of the family's power is lost. 39 Clues hidden around the world will reveal the family's secret, but no one has been able to assemble them. Now the clues race is on, and siblings Amy and Dan must decide what's important: hunting clues or uncovering what really happened to their parents."--...

Unusual facts about a wide range of topics including plants and animals, earth sciences, manners and customs, photography, and history. A poster-size calendar and a 24-page booklet of games and puzzles are included.

"The story of human civilization, as told through 100 key discoveries spanning six continents, including firsthand reports from explorers, scientists, and antiquarians"--

30 days by K Larsen// The 6th Extinction: A Sigma Force novel by James Rollins// Above the Bridge by Deborah Garner// Aijlan: The Silk Revolution (The Lords of Misrule book 1) by Andy Graham// The Alchemyst (The Secrets of the Immortal Nicholas Flamel) by Michael Scott// The American Heiress by Dorothy Eden// Ancient Guardians: The Legacy of the Key by S l Morgan// Annapurna: The First Conquest of an 8,000-Meter Peak by Maurice Herzog// Armed and...

30 days by K Larsen// The 6th Extinction: A Sigma Force novel by James Rollins// Above the Bridge by Deborah Garner// Aijlan: The Silk Revolution (The Lords of Misrule book 1) by Andy Graham// The Alchemyst (The Secrets of the Immortal Nicholas Flamel) by Michael Scott// The American Heiress by Dorothy Eden// Ancient Guardians: The Legacy of the Key by S l Morgan// Annapurna: The First Conquest of an 8,000-Meter Peak by Maurice Herzog// Armed and...