There is nothing on earth the second You...

The title of this book gave a line from a poem by Marina Tsvetaeva turned to her husband Sergei Efron. br>
The story of their relationship is ambiguous and still raises many questions, gives rise to much speculation.
In this collection of works and letters collected for the first time under one cover, they are given the opportunity to talk about each other and about the times in which they had to live.