"Polly and her friends abroad" is an exciting book written by Lillian Elizabeth Roy, which tells about the adventures of the sweet protagonist Polly and her loyal friends on their trip abroad. In this book, the author successfully combines an adventure plot with tender relationships between the characters, revealing the important values of friendship, mutual help, and self-belief. Lillian Elizabeth Roy's sleek and light writing style captivates readers of all ages, making this book an engaging read for the whole family. "Polly and her friends abroad" is a book that will not only entertain you, but also inspire you to believe in the goodness and beauty of the world.