They have a “U.S. addresses” but Facebook says they’re in Pakistan. They may have awards logos on their own Web page from 2020 (the website didn’t exist until 2024). You will discover inadequate opinions on copyright about their editing services. We couldn’t locate the featured book on their homepage on https://maplepublishers.com/blog/how-to-start-your-career-as-a-fiction-writer-by-self-publishing-a-book/