Foreword to the Italian edition / by Pietro Greco -- Foreword / by Nigel Lockyer -- Atoms and beyond -- The indivisible and the divisible -- Everything is relative -- The certainty of chance -- The family grows -- Energized particles -- Three quarks for muster mark! -- May the force be with us! -- The world through the looking-glass -- The most beautiful theory in the world -- The color of elementary particles -- The November revolution -- Weak, but very influential -- The chameleon -- Seeing the invisible -- United you win -- Dream, the unknown, adventure -- Be curious.