Everything you need to understand or teach The Coldest City by Antony Johnston.
With an unseen twist at the end, The Coldest City by Antony Johnston will keep the reader guessing about where loyalties of the characters really lie as well as the identity of STACHEL, a British double agent. This tale of murders, espionage, secrets and double agents is set in the days after the fall of the Berlin Wall. M16 agent Lorraine Broughton is sent to Berlin to help locate a list complied of names of all active spies in order to keep it from falling into the hands of the Russians. What she finds instead is a trail of murders intended to cover someone’s tracks.