Chapter 1, Why Immutable.js?, explains why you want to use this library.

Chapter 2, Creating Immutable Data, helps you get started by creating immutable collections.

Chapter 3, Persistent Changes, discusses how to create new data by changing existing data.

Chapter 4, Filtering Collections and Finding Items, talks about locating the data that you need.

Chapter 5, Sequences and Side-Effects, explains how to iterate over collections in order to use collection data.

Chapter 6, Sorting Collections, helps you in get the order right.

Chapter 7, Mapping and Reducing, introduces the fundamentals of transforming collection data.

Chapter 8, Zipping and Flattening, discusses simplifying iterations and collection structures.

Chapter 9, Persistent Change Detection, enables you to determine whether a persistent change method actually changed data.

Chapter 10, Working with Sets, explains how to produce unique collection values.

Chapter 11, Comparing Collections, talks about figuring out how one collection relates to another.

Chapter 12, Combining Collections, helps you build new collections by adding collections together.

Chapter 13, Declarative Decision Making, uses immutable collections to help write declarative code.

Chapter 14, Side-Effects in User Interfaces, explains rendering UI components with immutable collections.

Chapter 15, Side-Effects in Node.js, discusses reading and writing collection data using IO streams.

Chapter 16, Immutable Architecture, puts it all together, in the form of a reusable pattern.