The Menace of the Mutant
Seventh Volume of the Galactic Foundation Games
From Back Cover
While the Empire is shaken by tremors of agony and torn by internal strife, a new and formidable force can bend even the Foundation. His Leader is an adventurer with superhuman powers: a mutant.
Who is he?
Where is he from?
How can you destroy him and bring the history of the galaxy back on the tracks of the Project Seldon?