Putin’s shadowy world in dizzying detail

The Age of Assassins. By Yuri Felshtinsky and Vladimir Pribylovsky, Gibson Square, €12.20

Last month, Yuri Felshtinsky appeared on the BBC’s Sunday AM programme, where he was interviewed by Andrew Marr about this book. In merely making the journey to Britain, Felshtinsky - a resident of Boston -was disregarding the advice of the FBI, who had warned him of a threat to his life.

Felshtinsky’s last book, Blowing Up Russia, was based on ...