Customer Relationship Management by Thomas Erickson relates to the principles and practices of building and maintaining effective relationships between businesses and their customers. Customer relationship management (CRM) focuses on understanding customer needs, improving customer satisfaction, developing customer loyalty, and maintaining long-term business relationships.

The subject covers important aspects of customer service, customer communication, customer retention, relationship marketing, and the use of customer information to improve business performance. It also highlights the importance of delivering quality service, responding to customer feedback, and developing strategies to attract and retain customers in a competitive market.

The book's subject is relevant to students of management, commerce, marketing, and business administration, as well as professionals interested in customer service and business relationship management.