
i shall start.....
THE 39 CLUES
its a series by the author Gordon Korman. the books about two young kids, dan and amy cahill, who discover they are part of the most powerful family in the world. they disover that their grandma, added into her will, a clue hunt. who ever finds all 39 clues will become the most powerful person in the world! each book comes with a card pack, that you can enter onto the official site made by the author (after makeing your free acount) to rise in rank.
a link to the site: http://www.the39clues.com