"Code Name Verity" is a gripping historical fiction novel set during World War II. The story follows two best friends, a British spy and a pilot, as they navigate the dangerous world of espionage and warfare. When their plane crashes in Nazi-occupied France, their friendship and loyalty are tested as they face interrogation, betrayal, and the harsh realities of war. Through alternating perspectives and a complex web of secrets, the book explores themes of bravery, sacrifice, and the enduring power of friendship.

The novel presents the life of a Holocaust doctor in a reverse chronology, with time moving backwards. The protagonist begins his life in a peaceful retirement in America, then becomes a doctor, and finally ends up as a child in pre-war Europe. The novel explores themes of morality, guilt, and the human capacity for evil, all while challenging the reader's perception of time and causality.