Customer engagement can generate sales growth, competitive advantage, and profitability. Companies must be relevant and add value to win and retain customers. "Customer Engagement For Dummies" covers: engaging customers through their channel(s) of choiceimplementing social and mobile engagement strategieslistening to your customers and providing feedback on the feedbacktaking a holistic view of your customers across channels: becoming trustworthy and transparent to your customerscutting across your internal silos to focus on customers
A good book as a start, it will give you for sure the breadth of knowledge but not the depth, however for people who joined this field recently I would highly recommend it.