Agile Software Requirements
Although many might tend to limit the concept of agile requirements to “user stories”, this book by Dean Leffingwell reminds us that there could be more than just a post-it on an information radiator when we talk about Agile requirements. The title of one of the initial chapters is “The Big Picture of Agile Requirements” and this book provides it, together with the small details that can help you write better user stories.