Investigate the philosophies of the "superman" and "survival of the fittest" as articulated by Friedrich Nietzsche and Herbert Spencer. Both thinkers had a significant impact on London. Compare their ideas with the philosophies presented in The Call of the Wild.

Read Ralph Waldo Emerson's influential essay "Self-Reliance" (1841). Write an essay analyzing whether it was possible for Buck to be a "self-reliant" entity at the end of the nineteenth century.

For many years, The Call of the Wild has often been regarded as a children's book. Do you believe it is suitable for children, and why? Who do you think the intended or most appropriate audience for this book is—children, teens, adults, or literary scholars?

Examine the evolving perceptions of nature and the American wilderness in the nineteenth and early twentieth centuries, focusing on figures like Henry David Thoreau, Theodore Roosevelt, and John Muir. Write an essay discussing London's role within these discussions and traditions.