How to write the English composition My Favorite Book? 、、

My favorite book I have read many books. But my favorite is the encyclopedia. I like this book not only because of its beautiful cover, but also because it is wonderful! This book introduces plants and animals. It broadens my horizons and makes me understand more. I am very happy to be with this book. It can solve the problems in my life and enrich my knowledge. It is really my mentor and friend. So, I like this book.