Maurice Prendergast's "Sketchbook" in graphite demonstrates the artist's characteristic interest in capturing fleeting moments and atmospheric effects through loose, gestural linework. The work exemplifies Prendergast's practice of sketching as a primary means of artistic exploration, where quick graphite studies often served as preparatory work for his more finished paintings and watercolors. The drawing reveals his Post-Impressionist sensibility and his focus on composition and form over detailed representation.