Google this site:

Region > South East Asia > Krakatau

Krakatoa (World Disasters Series)
by D. Nardo & B. McGovern, Lucent Books, 1990
Krakatau 1883 The Volcanic Eruption and Its Effects
by T. Simkin, R.S. Fiske, S. Melcher, Smithsonian Institution Press, 1988, 464 pages
Krakatoa: The Day the World Exploded: August 27, 1883
. by S. Winchester, HarperCollins, 2003, 416 pages
Krakatau: The Destruction and Reassembly of an Island Ecosystem
by I. Thorton, Harvard University Press, 1997, 368 pages