Former FSB Colonel Alexander Litvinenko was killed on the orders of Vladimir Putin, the Litvinenko Inquiry found in 2016, by Polonium 210 in his tea. Yuri Felshtinsky co-wrote the book with Alexander Litvinenko and is an expert on Russia's secret service and was a Hoover Institute Fellow at the University of Stanford. He appears with regularity on BBC and Sky news to comment on Russian affairs.

`A book that should contain a very serious health warning on the cover.' Andrew Marr, Sunday AM - `Tightly argued.' Sunday Times - Sunday Times Best Current Affairs Book - `Frightening.' Sunday Telegraph - `Disturbing reading.' Mail on Sunday - `One of the severest attacks on the present Russian leadership in print.' Tribune - `Rich in political intrigue.' Good Book Guide - `Pull-no-punches expose.' Independent - `Iconic.' Sunday Business Post (Ireland) - `Was Litvinenko murdered because of this book?' Irish Independent - `For clues as to who wanted Alexander Litvinenko, you need look no farther.' Oleg Gordievsky, The Times - `Demands our attention.' Nicholas Shakespeare, Daily Telegraph - `As vivid condemnation of the Putin regime as has yet been written.' Sunday Times - `A spy shocker.' Western Morning News - `Crucially important.' Robert Service, Professor of Russian History Oxford University, Sunday Times