I would start by reading aloud with the children, setting up a cosy space to enjoy the story with them. Children might have their favourite stories and want them again and again. Still, each time one has to travel through the story as if experiencing it for the first time. This requires patience. Also, allow children to choose the books they like.
I would love to have the magic answer to that. What I say is: Enthusiasm is very catching, and if you have a passion for books, it is very likely that your children will catch that.
Be a role model, show them as parents how much you enjoy reading. Reluctant boys need to see that reading is cool—some male role models wouldn’t go astray.
Encourage your child to keep writing and drawing; keep making up more and more stories, it doesn’t matter if nothing comes out of it, or if your child does not finish the story. Her writing will be better and better every time. Also, there is nothing wrong about copying somebody else’s style. It’s a good way of learning.
Children will only read if they find books that are fun and that speak to them. ‘Harry Potter’, ‘Twilight’ and so many other series show that children will read compulsively if the books touch them in some way. But they never read if it is sold as being “something good for you”.