"The Crystal Glass" is a fascinating book by the famous American writer Gertrude Franklin Horne Atherton. In this fairy-tale story, a young girl named Sarah makes an important discovery - a crystal glass that can make any wish come true is at her disposal. As she embarks on a journey in search of adventure and true wisdom, Sarah faces many trials and dangers that challenge her own values and desires. Through a tense plot, the author Atherton encourages readers to think about morality, friendship and sacrifice. "The Crystal Glass" is a book that inspires faith in oneself, teaches that true power lies in kindness and honesty.