1 - 我能幫你學知識，猜猜我是誰？

歡迎登上——Riddle Island 大冒險！ 一起聽線索、猜謎語，找答案，Let’s riddle and go！ 今天，小勇士林昱辰來挑戰，到底能不能完成挑戰呢？ 這集的謎題是...

I’m full of words and pictures too, I help you learn what’s old and new. You open me up in every class, I help you study and help you pass. I'm not a story, but facts I show, Turn my pages, and your knowledge will grow! What am I?

小朋友，你們覺得今天謎題的正確解答是什麼呢？