A Project Gutenberg e-book, a group of Campfire Girls go on a camping trip. Mysterious things happen. Horses are ridden. Fires are put out. Radio stuff comes into play. VERY flowery language, but then it's a from 1923.
Quote:
"Then--be a dear boy and do this for me," Pemrose looked up at him, sidelong, coaxingly; "loop this aerial around that tree." -- Is that a pun?