It was around 1978 that Pratt reconsidered his silkscreen method. Unhappy working with the toxic solvents required, he turned to lithography. His first lithograph was Nude by the Night Window, renamed Fisher’s Maid (1978). He had originally imagined a painting with a figure standing backlit by a daylight window, and provisionally called it Summer Place II. He reconsidered the medium believing the lithograph technique to be better suited to the rich, inky blacks he wanted to produce. He posed then forty-three-year-old Mary, lit by a bedside lamp, which betted exploited the technique’s strength with dark colours