I like to read. It is the process of decoding symbols in order to derive meaning.
What do you decode?
I decode symbols, such as a b c, etc. Reading is a means of language acquisition and communication as well.
How many hours can one devote to reading?
Quite a few. In the old days cloistered monks did nothing but read and pray.
Are there any book reading competition?
Sure there are plenty of reading competitions. Many schools organize them to encourage continuous practice for their students.