John Devereaux and his MANTRA-6 team are now fully operational. On the frozen landscape of Northern Russia, four figures dressed in arctic camouflage uniforms, break into the Polyarny Naval Base near Murmansk - Home of Russia's Northern Fleet. Their mission, to steal 60kg of highly enriched Uranium-235 and hand it over to the Russian Mafia.   Rogue nations and despots - North Korea, Libya, Iran, Al-Qa'Ida, Hamas and Hezbollah, all want their hands on this lethal cargo... Let the bidding begin!   MANTRA-6 is on the hunt. God help anyone who gets in their way! Mantra 6: Nitrate  is the second book in Russel Hutchings' explosive new thriller series featuring operative John Devereaux.