"Luncheons: A Cook's Picture Book" by Mary Ronald is a practical cook's guide written in the early 20th century. This illustrated cookbook serves as a supplement to "The Century Cook Book," focusing specifically on recipes and techniques for preparing an array of luncheon dishes, providing valuable suggestions for housekeepers on how to create appealing menus and presentations. The opening of "Luncheons" sets the stage by discussing the nature of the luncheon meal, which can vary widely in formality. It outlines how luncheons are generally attended by women and can range from informal gatherings to elaborate affairs similar to dinner. The author emphasizes the importance of an aesthetically pleasing presentation, detailing considerations for table settings, guest arrangement, and menu selection, while providing insights into appropriate garnishing and dishing techniques to enhance the visual appeal of the dishes. The emphasis on combining practicality with elegance offers a glimpse into the culinary culture of the time. (This is an automatically generated summary.)