Louis Essen, an English physicist and inventor of atomic clocks, is one of those who strongly criticized the theory.
He asked many questions which, to date, remain unanswered.
This book is about those questions, and the story of a group of "failed" students who love Einstein but never believe in Relativity.
If you think you understand Relativity and can answer those questions, test yourself. If you don't but want to test those who think they can, read on.