Collection: 4th Grade

Invented by Animals 你沒想過的仿生學：模仿動物的創意發明

Insects Practice Martial Arts 蟲小練武功

How important is Water? About the Water Crisis the World is Facing水到底有多重要？關於全球正在面臨的缺水危機

Cultural Picture Book set (8 volumes )文化繪本套書(全8冊)

Chinese New Year!過年啦！

Caldecott Award 7: Brother Dog and Sister Cat [Siblings understand each other, learn to share with each other! A two-page guide is attached]凱迪克大獎7：狗弟弟與貓姊姊【手足間相互體諒，學習彼此分享！內附二頁導讀】

Questions daily series: Why should I eat healthy? 為什麼我要吃得健康？【問題天天多系列】

Questions daily Series: Why do I need to keep clean?為什麼我要保持清潔？【問題天天多系列】