In my point of view, reading books is the best leisure activity for teenagers. Firstly, we can learn lots of new things, expend our knowlegde, books also give us many interesting informations. Secondly, reading books train our mind and memory, our imagination will be improved. In addition, there are a lot of kind of books which are suitable for people all of age such as: comics, novel, folk story, science book,...In short, books are not simply informative but also inspirational, teenagers should reading books in their free time.