Bøger i Superman serien

When a series of earthquakes ripple across the planet, a school field trip turns deadly. Students are trapped on a crumbling mountain, and only one man can rescue them . . . SUPERMAN! But the tremors have exposed a large chunk of KRYPTONITE. With the MAN OF STEEL weakened by the radioactive rock, a student must save the day. Who will become the Kid Who Saved SUPERMAN?