Question for the muslims,?

I'm a muslim i Believe in Quran,but i dont believe in those books whch are calld as hadees books in this era like sahi bukhari or etc and all volumes. How many of u muslims doesnot believe in these so called hadees, because, now the generation is smart and intelligent everyone is researching and finding out what is true, in these so called hadees books, it is stated all wrong about our prophet Mohammed(PBUH) blammed and charging all wrong this about him which he has done, if u read it completely u will come to know. then how can u belive those books ? dont u all understand that these books are made to blame muslims and prophet that they wrong and everything is lie, these books are made by human being who tried to kill our prophets and the enemy of ur prophets ?WHEN THERE IS A BIG BOOK QURAN, why some people still believe in those fake books ? DONT U PEOPLE BELIEVE THAT THOSE BOOKS ARE CHANGED EXCEPT QURAN ? How many of u say still believe that so called hadees books are correct ?