In Graph Databases in Action, experts Dave Bechberger and Josh Perryman illuminate the design and implementation of graph databases in real-world applications. You’ll learn how to choose the right database solutions for your tasks, and how to use your new knowledge to build agile, flexible, and high-performing graph-powered applications!
It's a great book if you are looking into a deeper dive into Gremlin and Apache TinkerPop. However, it's too niche for anybody else - especially if looking for best practices, usage patterns, guidelines about data modeling.