Collection: 4th Grade

When Everything Went Wrong: 10 Real Stories of Inventors Who Didn't Give Up!當一切都搞砸了：十位不放棄的天才發明家

Look Through the Window 窗裡有什麼？

A book set of traditional New Year customs and stories: The Nian beast is coming, run! + Twelve zodiac fairies 新年傳統習俗故事套書：年獸來了，快跑！（附春聯剪紙）+十二生肖小神仙 （附十二生肖小神仙守護紅包、數來寶影片及有聲書）

Save the planet 1: The Secret of Paper 搶救地球大作戰：紙的祕密

Children Exploring the Universe 探索宇宙的孩子

How Do Fruits Grow? (Wonderful Harvest Edition)水果是怎麼長出來的呢？【美好豐收版】

All About Worries and Fears 孩子的第一本情緒安定小百科：解決擔心、害怕有方法！

If Only Biology Classes Were Like This! [Animal Knowledge Laughing Cartoon] 如果生物課都這麼ㄎㄧㄤ！【動物知識噴笑漫畫】豬狗貓激萌演出，笑到你滿地找頭