Publisher's Synopsis
Children who are cautious by nature are often at a loss when encountering unexpected situations. Instead of asking them to "don't back down," let them practice first! "Practice to grow up" picture book with your children. The biggest feature of this set of picture books, which is popular in Europe, America and many countries, is that each episode has "little problems" to test the little protagonist Billy. The corresponding themes of this episode are "emergency situations" and "help" Today is Halloween. Billy took the little monsters to go "trick-or-treating", but accidentally got separated from six little monsters. How should he retrieve the little monster?