They have got a “U.S. addresses” but Facebook suggests they’re in Pakistan. They've got awards logos on their Web site from 2020 (the web site didn’t exist until finally 2024). You can find bad opinions on copyright about their enhancing services. We couldn’t find the featured book on their homepage https://maplepublishers.com/blog/4-things-to-do-when-you-begin-a-self-publishing-journey/