Beginning readers' past experiences with ____ is believed to be necessary for children to acquire reading skill.
books? language?
I don't know what the prevailing educational theory is, but the best thing you can do to help your kids enjoy reading is to read to them. That way they learn to associate reading with enjoyable experiences, and they will want to keep on reading even when story time is over.
Our kids learned that almost no matter how busy we were at the time, a request to be read a story was almost always honored.