One Big Pop-Gun is the second book in a series written by Fanny, who is known as Aunt Fanny to her readers. This book was originally published in 1864 and tells the story of a young boy named Harry who receives a big pop-gun as a gift from his grandfather. Harry is thrilled with his new toy and spends much of his time shooting it, much to the annoyance of his family and neighbors. However, when a group of boys from a rival town come to challenge Harry...