Why cant people buy a wig book for dollys wigs in US dolly partons wigs?

People may struggle to find a specific wig book for Dolly Parton's wigs in the U.S. due to limited availability or niche market demand. Such books may not be widely published or distributed, making them harder to locate in mainstream bookstores or online retailers. Additionally, Dolly Parton's iconic hair and wigs are often closely associated with her personal style, which may lead to a lack of formalized guides or resources dedicated solely to replicating her looks.