They may have a “U.S. addresses” but Facebook says they’re in Pakistan. They've awards logos on their own Internet site from 2020 (the website didn’t exist till 2024). There are actually weak critiques on copyright about their modifying services. We couldn’t discover the highlighted book on their homepage on Amazon. https://maplepublishers.com/blog/what-immediate-services-you-need-for-self-publishing-a-book/