Fiction is not always about fantasy, horror or romance. Also, science is not only written in textbooks and history books. There are also fiction stories that aim to help the rest of the world understand more about science.

The following are books for science enthusiasts that also enjoy the wonders of fiction. The books are also categorized under a certain branch of science.

Physics - "A Brief History of Time" by Stephen Hawking

Stephen Hawking breaks down the fundamental questions of physics, both for scientists and non-scientists. In this book, he attempts to answer -- or, at least, point out where the answer lies -- to where the universe began and where it comes to an end.

Hawking also explores the topics gravity, black holes, the nature of time and the famous big bang theory.

Astronomy - "Contact" by Carl Sagan

As a young girl, Ellie was always motivated by the wonders of science. When she becomes the director of a project dedicated to search for extraterrestrial intelligence, she discovers a repeating series of numbers that conveys a message.

In his novel, Sagan shows us a possible glimpse of the future in a most extraordinary encounter between humankind and something else.

Mathematics - "A Wrinkle in Time" by Madeleine L'Engle

It all started when Meg Murry, her brother, and their mother were having a midnight snack on a stormy night. A stranger appeared at the door, who mentioned the word "tesseract", a multidimensional figure, which she claims to be a wrinkle in time.

In her book, L'Engle explores the world of science and time travel in a way that can capture the wonder and curiosity of young children.