They have a “U.S. addresses” but Facebook suggests they’re in Pakistan. They may have awards logos on their Site from 2020 (the website didn’t exist right until 2024). You'll find weak reviews on copyright with regards to their editing services. We couldn’t discover the showcased book on their homepage on https://maplepublishers.com/blog/what-is-the-art-of-self-publishing-a-childrens-book/