Well, it might be special as it could be the first comprehensive collection in the world of science fiction. It might have introduced many classic science fiction stories that later influenced the genre a great deal.
Since it's the 'first omni book of science fiction book', it probably has a lot of historical value. It could be a collection that features stories with imaginative ideas about technology, alien life, and different futures. It may have influenced subsequent science fiction books and even the way we think about the genre today.
I'm not sure exactly what it's about as I haven't read it. But generally, a science - fiction book might be about futuristic technologies, space exploration, alien life forms, etc.
Well, it could be the ones about future space exploration. For example, the stories that imagine humans colonizing other planets like Mars. They often include cool concepts about how to build habitats and deal with different gravities.
Isaac Asimov might be one. His works are often filled with deep scientific concepts and ethical dilemmas. His stories can make you think about the future of humanity in relation to technology.
It's difficult to pinpoint a single 'first book of science fiction' as it depends on how one defines science fiction. However, some consider Mary Shelley's 'Frankenstein' to be one of the earliest works that contains many elements of science fiction, such as the use of scientific concepts (like electricity to reanimate the creature) and exploring the implications of man playing God through science.
It's hard to pinpoint exactly which was the very first science fiction book. But some consider 'Frankenstein' by Mary Shelley as one of the early influential works in the genre.
It's a bit tricky to pinpoint the exact first science fiction book. But some scholars point to 'The City of the Sun' by Tommaso Campanella as an early example that laid the foundation for the genre.