Is writing an entire book by yourself a big undertaking?

Writing an entire book by yourself is indeed a big undertaking that requires significant time, effort, and dedication. It involves conceptualizing and developing the storyline, conducting thorough research, creating and editing content, organizing chapters, proofreading, and more. Depending on the genre and length of the book, the timeline can vary from several months to years. Authors often need to stay disciplined, overcome obstacles, and manage their energy, creativity, and focus throughout the writing process. Additionally, writers might seek feedback from readers, editors, or writing communities to further refine their work. Publishing and marketing processes can also be intricate and demanding on their own.