- Radical
- Ramesses
- Rani Laxmibai
- Rasputin and the Russian Revolution
- Reach for the Sky
- Read My Heart
- Reconnaissance au Maroc
- Red Comet
- Red Notice Summary
- Red One
- Red Platoon
- Reflections of an Extraordinary Era
- Reflections on My Life
- Relentless
- Relentless Reformer
- Relish
- Remembering Caroline Norton
- Reminiscences of the Cuban Revolutionary War
- Reminiscences of the Cuban Revolutionary War
- Rendezvous at the Russian Tea Rooms
- Renegade
- Requiem für Jakob
- Revolutionary Lives
- Revolutionary Weapons Children's Military & War History Books
- Rezso Kasztner
- Ribbentrop
- Rich Desserts and Captain's Thin
- Richard Feynman
- Richard I (Penguin Monarchs)
- Richard II (Penguin Monarchs)
- Richard III (Penguin Monarchs)
- Richard the Third
- Righteous Gentile
- Rinder's Rules
- Riot Days
- Rising Star
- Rival Queens
- River of Time
- Riverman Writings
- Robert Burns
- Robert Peel
- Robin Chichester-Clark
- Roger Casement's Diaries
- Rome Or Death
- Rommel
- Rosa Luxemburg - Her Life and Work
- Rosa Luxemburg. Im Lebensrausch, trotz alledem
- Rose
- Roy Jenkins
- Running a Thousand Miles for Freedom - The Escape of William and Ellen Craft from Slavery
- Russians Among Us
- Ruth Maier's Diary