Aunt Friendly is a pen name recorded in our catalog as the author of a single work, Hatty and Marcus. No reliable information is available about the writer's real name, nationality, or dates of birth and death, and public sources are limited. The signature itself suggests a warm, approachable persona, a style often found in early reading matter for children and in domestic story-writing traditions. Works of this kind typically draw on everyday family life, use plain language, and emphasize连贯 plotting and the portrayal of character, gently conveying lessons to young readers through narrative. Because the surviving bibliographic records are so few, the author's other writings, the shape of a wider writing career, and a definite place in literary history cannot be established. This note is based only on the catalog signature and the single listed title, and makes no claims beyond what can be reliably supported; Hatty and Marcus may be treated as the main point of entry for readers interested in this author, whose themes and style call for further investigation.