你是否想过是谁在那些“危险"告示牌后方工作？让我们和一位好奇的男孩踏上探险之旅。他不仅找到了答案，还收获了超乎他预期的一友谊和一颗感恩的心。

Have you ever wondered who works behind those signs that say ‘Danger. do not enter’? One little curious boy did. Join him on his adventure as he gains more than he expected — not just answers, but friendship and a heart of gratitude.

一个男孩对他的邻居感到非常困惑。夜晚大家都睡觉了，林叔叔却出门了。早晨大家都准备好上学的时候，他才回家。叔叔去哪儿了？他整个晚上又在做什么呢？

A boy is puzzled by his next-door neighbour. Uncle Lin leaves when everyone goes to bed and returns home when everyone gets ready for school. Where does Uncle go? What could he be doing all night?

【隐形的人】系列是献给从事非常特殊工作的人。他们的工作让我们的世界变得更美好。然而，我们却未必将他们视为我们生活的一部分。

让我们一起来认识这些“隐形的人”，向他们问好或说声“谢谢”，让大家都能“看见”他们。

Ames Chen’s delightful series, The Invisible People, is a collection of picture books that show children how to relate kindly to the domestic workers, construction workers, and bus drivers in their society.