Written by the creator of D3.js, the most popular JavaScript library for custom data visualization, this book serves as a comprehensive tutorial for the tool. While centered on D3.js, the workflows presented are applicable beyond the library and even beyond JavaScript itself.

For Beginners:

An excellent introduction to 2D data visualization, it also introduces the concept of Data-Driven Design, which has applications outside the field of visualization.

For Experienced Readers:

Rather than focusing on specific techniques, this book emphasizes the process of transforming data into meaningful visuals, a skill valuable across many disciplines.

Interactive Data Visualization for the Web by Scott Murray