Los Angeles-based artist James Welling has long used abstraction to challenge the technical and conceptual boundaries of photography. In the 1980s, Welling often employed simple materials like crumpled aluminum foil, draped fabric and pastry dough. In 1992, he began the series Light Sources, the focus of this volume, which critic Carol Squiers has described as "a trope for the seductions of the quickly glimpsed, the half remembered, the partially understood, qualities that Welling wants to hold up, examine and admire without piercing the fragile surface of their own fugitive grace." While many of the objects depicted in Light Sources literally transmit light, the series also refers to the role of light in the photographic process and, indirectly, to how the human eye perceives light.