1. Those books he chose by himself in the bookstore and library.
2. Those with topics he shows interest. Recently, he is interested in old chinese stories and poems.
3. Those which can answer the questions he asked. Recently he is interested about space and solar system.
4. Those which is helpful to bring up some message I want him to know. For example, if I want him to correct his behavior or method of handling things.
5. Those books which are related to his favorite VCDs to reinforce the vocabulary used. Yesterday, I read him a book of "Nemo"
i've bought a book "親子故事100講", published by Sing Tao. The stories are divided by age group, say, 2-3, 3-4, etc.. It is for parents' use because there is no picture. but good for parents who are always short of stories, like me.