A lighthearted, clever, and entertaining series, with modern black-and-white illustrations, plenty of humor, many mysteries, and quite a few comical situations.
Penny is 10 years old and her dream is to become a detective. She sees mysteries and suspects everywhere: What’s going on with the bloodthirsty neighbors? Why has the school janitor transformed from grumpy and abrupt to a polite gentleman? And what is he preparing in his little room? What’s happening with the strange and grumpy man she happened to meet on the street?
