Reading offers so many things to the reader. For some, it's an escape to another brilliant world, full of life and different perspectives. It's makes the reader think differently and develop opinions. For others, it's a way of obtaining information.
Reading is a very powerful thing, which some people tend to forget.
An opportunity to expand both your linguistic, public speaking skills in addition to grammatical/ linguistic knowledge. Many book allow the reader to immerse themselves in different cultures and time periods, which offers the reader the chance to learn about traditions/ events from different times or places.