The book contains step-by-step instructions along with screenshots and aims at Dynamics AX developers of beginner and intermediate level.

To give you an idea, here are the chapters:
Chapter 1: Processing Data
Chapter 2: Working with Forms
Chapter 3: Working with Data in Forms
Chapter 4: Building Lookups
Chapter 5: Processing Business Tasks
Chapter 6: Integration with Microsoft Ofice

You can buy the book, eg on Amazon.com or at Packt Publishing.

You can also download the sample code used in the book.