books

I love books and reading them.

You can also say, "I love reading books."  What you said is not incorrect, but it doesn't sound "natural" to me.

They are an important peaces pieces in my life and I think they are so important for the world.

Peaces means that something is in harmony; I think here, you meant to say, "pieces", which means that there are many different things that are important in your life, and books are a piece of it.

With books, you can travel to another other places and wonderful (wonderful only has one 'l'!) worlds. However, they are the form to can make you open your mind and your perpective perspectives about things happening around you. You can learn, travel, feel, cry, smile... and There is an infinite amount of things to do when you are reading a book. So, read a lot you can and visit fantastics places among their words.

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You are right, reading books is great!  It is nice to escape from the real world and into a fictional one, sometimes.  Your opinions are really solid, and you got your idea across very well!  Good job!