Hello Pro Maruwakari BOOK 2017 WINTER (ハロプロまるわかりBOOK 2017 WINTER) is the 15th installment of the Maruwakari BOOK series featuring Hello! Project. It was released on January 1, 2017. As this is ℃-ute's last appearance in the series, all the Hello! Project members have written messages for them. A making of DVD is included with the book, showcasing all the members and the process of shooting the photos for the book.