Friendship has inspired some of art history's greatest works, and this collection reveals the remarkable relationships behind their creation. Organized chronologically, the book brings together dozens of exceptional works spanning more than two thousand years, showing how companionship, loyalty, and creative exchange have influenced artists from classical antiquity to the present. From Raphael's The School of Athens and Rubens's portrait of his own circle of friends to Gauguin and Bernard's exchanged self-portraits and the celebrated creative partnership of Andy Warhol and Jean-Michel Basquiat, the selection uncovers unexpected stories behind familiar images. Works by Giotto, Durer, Rembrandt, Caspar David Friedrich, Monet, Picasso, Klimt, Modersohn-Becker, Magritte, and many others place these relationships within the broader sweep of art history while underscoring the remarkable breadth of the collection. Brief essays accompany each reproduction, placing the work within its artistic and historical context while illuminating the people, relationships, and ideas behind its creation. Elegantly produced and thoughtfully assembled, this volume reveals how friendship has shaped not only artists' lives, but the history of art itself.