Allegorical books are a genre of literature that use symbolic characters, events, and settings to convey a deeper meaning or message. These stories often have a moral or philosophical lesson that is meant to be interpreted by the reader. Allegories can be found in many different types of literature, including novels, short stories, and poetry. They are a powerful tool for exploring complex ideas and emotions, and can be used to comment on social, political, or religious issues. Overall, allegorical books are a thought-provoking and engaging genre that challenges readers to think critically and reflect on the world around them.

The category of "Time travel" books typically involves stories where characters travel through time, either intentionally or accidentally, to different eras or periods in history. These books often explore the consequences of altering the past or future, and the challenges and dangers that come with navigating different time periods. Time travel books can span a variety of genres, including science fiction, historical fiction, romance, and adventure, and offer readers a unique perspective on the possibilities and complexities of time travel.

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