Discovering Europa.- Water World.- Touring the surface.- Politics and intellect: Converting images into ideas and knowledge.- Tides.- Tides and resonance.- Tides and rotation.- Tides and stress.- Tidal heating.- Tides and orbital evolution.- Understanding Europa.- Global cracking and non-synchronous rotation.- Building ridges.- Dilation of cracks.- Strike-slip.- Return to Astypalaea.- Cycloids.- Rotation revisited.- Chaos.- Crust convergence.- The scars of impact.- Pits and uplifts.- Life on Earth and Europa.- The bandwagon.- The biosphere.- The exploration to come.

This story of the Galileo spacecraft probe to Jupiter`s moon provides a unique understanding of the Galileo images of Europa, and examines in detail the physical setting that might sustain extra-terrestrial life in Europa's ocean and icy crust.