"When a Witch is Young" is a novel by R. F. Fenno & Company. However, it's important to note that R. F. Fenno & Company was a publishing house rather than an author. They published various books, and "When a Witch is Young" could be one of the titles they released.Unfortunately, specific information regarding the plot, authorship, or other details about "When a Witch is Young" is not readily available in my database. It's possible that this book might be less widely known or might not have extensive information online due to its age or limited availability.If you're seeking more details or information about this particular book, accessing the text itself, or searching through libraries or specialized book archives might be the best way to explore its content or to find additional information about the authorship and storyline.