They have a “U.S. addresses” but Facebook says they’re in Pakistan. They have awards logos on their own Web page from 2020 (the website didn’t exist till 2024). You'll find bad critiques on copyright with regards to their editing services. We couldn’t discover the featured book on their homepage on https://maplepublishers.com/blog/what-immediate-services-you-need-for-self-publishing-a-book/