Nowhere To Run by Jude Watson, 39 Clues, Unstoppable ( Book 1)

This Is the First Book Of The Unstoppable Series in the 39 Clues Saga.
=> No where To Run By Jude Watson

Plot: J. Rutherford Pierce, a presidential candidate, attacks Amy and Dan and steals the serum to conquer not only U.S.A., but also the entire World. When the Cahills question Pierce on why he attacked them, he refuses to answer. Amy and Dan go to Troy and Zurich to find an ingredient of the antidote for the serum. Pierce kidnaps Sammy Mourad, a Lucian-Ekaterina Student who made the Serum with Dan in Trust No One. Nellie disguises as a chemist to be hired by Pierce and rescue Sammy. Amy and Dan find six whiskers of an Anatolian leopard as the first ingredient of the antidote.