In this fun adventure in merry, old England, go back to the beginning of the General Post-Office and learn how the English mail system was founded. In 19th-century England, guaranteeing a letter for delivery was a bit challenging. Phillip, his sister Mary, and their friend George quickly discover this fact when several important letters go missing! Follow Phillip, Mary, and George as they search for the missing letters. Harrowing shipwrecks, narrow escapes, and attempted robberies threaten the search's success, but the three friends persevere, undaunted in their quest. Along the way, learn how mail was handled, processed, and distributed throughout 19th-century England and Europe, and become even more grateful for the mail system of today!.