In "Schoolhouse Mystery" by Gertrude Chandler Warner, children are engaged in a playful discussion where one expresses a humorous idea about trying to arrest an adult. The reaction to this suggestion is laughter, highlighting the innocent nature of their conversation and the clear understanding that children do not have the authority to take such actions. The scene underscores the lightheartedness that characterizes much of their interaction.
This passage reflects the overall theme of childhood innocence and adventure that pervades the book. As the children navigate various mysteries, their imaginations and camaraderie lead to amusing moments like this one. The laughter serves to deepen their friendships while also illustrating the whimsical situations they encounter throughout their adventures.