"Compound" is a young adult fiction novel by Madison Klophaus, part of "The Gemini Letters" series. Set in a dystopian world, the book follows the action and adventure of a group of characters in a science fiction setting. It is written in English and published by Primedia Elaunch LLC in 2023. The trade paperback format makes it convenient to read and transport, with a total of 410 pages filled with an engaging storyline that will keep readers hooked. The novel promises to offer an immersive experience for fans of the genre.