Spectres in the
Storm: The Evidence for Ball Lightning
by
Adrian Ashford
Scientists Still Baffled
by Balls of Lightning
by Malcom W. Brown
Tornadoes and Ball
Lightning
by Edward Lewis
The National Capital FreeNet:
1st and 2nd
Ball Lightning Discussions
Scientific American "Ask the Experts: Physics"
The Question of the
Existence of Ball Lightning
by Stanley Singer
The Self-Constructed
Model
by Ron Westrum
Two good eyewitness accounts: