Le Carré, John Absolute Friends

Absolute Friends by John le Carré is a 2003 espionage novel following the decades-long, tumultuous bond between Ted Mundy, a rootless English former spy working in Germany, and Sasha, his charismatic East German revolutionary friend. Spanning from 1960s Cold War Berlin to the post-9/11 war on terror, the plot delves into themes of friendship, betrayal, and disillusionment with Western and Eastern powers.