Non-fiction books can be considered literature because they are written works that convey information, ideas, and perspectives in a creative and artistic way. While they may not be works of fiction, non-fiction books still require skillful writing, research, and storytelling to engage readers and provoke thought. Many non-fiction books are highly regarded for their literary merit and impact on society, making them an important part of the literary landscape. **

Literature is a broader term that encompasses all written works, including fiction, non-fiction, poetry, and drama. Fiction, on the other hand, specifically refers to imaginative or invented stories that are not based on real events or people. While all fiction is considered literature, not all literature is fiction. Literature can include a wide range of genres and styles beyond just fictional storytelling. **

As an AI language model, I don't have personal opinions. The quality of literature is subjective and depends on individual preferences. Both Russian and German literature have produced influential and impactful works that have made significant contributions to world literature. Russian literature is known for its depth of psychological insight and emotional intensity, while German literature is celebrated for its philosophical and intellectual depth. Ultimately, the value of literature is in the eye of the beholder. **

While 20th-century literature is a part of modern literature, they are not exactly the same. Modern literature encompasses literary works from the late 19th century to the present day, including 20th-century literature. However, 20th-century literature specifically refers to literary works produced between 1900 and 1999. Both periods share some common themes and styles, but they also have distinct characteristics that set them apart. **

Rubble literature and post-war literature are closely related but not exactly the same. Rubble literature specifically refers to the literary works produced in the immediate aftermath of World War II, often focusing on the physical and emotional devastation caused by the war. Post-war literature, on the other hand, encompasses a broader range of literary works that address the effects of war on society, culture, and individuals in the years following the conflict. While rubble literature is a subset of post-war literature, the latter includes a wider scope of themes and time periods beyond the immediate aftermath of war. **

Literature is a form of written or spoken art that expresses ideas, emotions, and experiences through language. It encompasses a wide range of genres, including poetry, fiction, drama, and non-fiction. Literature allows us to explore different perspectives, cultures, and time periods, and it often reflects the human condition and universal themes. Through literature, we can gain insight into the complexities of the world and the human experience. **

It ultimately depends on personal preference and what one finds more fulfilling. Literature can transport readers to different worlds, evoke emotions, and provoke thought through words and storytelling. On the other hand, music has the power to evoke emotions, create connections, and express feelings through melody and lyrics. Both forms of art have the ability to inspire, entertain, and provide a means of self-expression. **

World literature novels are literary works that have been translated from their original language into multiple languages and have gained recognition and popularity across different cultures and countries. These novels often explore universal themes and human experiences that resonate with readers from diverse backgrounds. They provide a window into different cultures, societies, and historical periods, offering readers the opportunity to gain a deeper understanding of the world. World literature novels also contribute to the enrichment and diversity of literary traditions by showcasing the unique voices and perspectives of authors from around the globe. **