Klaus Pohl & Chris Rupp 
Requirements Engineering Fundamentals [PDF ebook] 
A Study Guide for the Certified Professional for Requirements Engineering Exam — Foundation Level — IREB compliant

In practice, requirements engineering tasks become more and more complex. In order to ensure a high level of knowledge and training, the International Requirements Engineering Board (IREB) worked out the training concept Certified Professional for Requirements Engineering, which defines a requirements engineers practical skills on different training levels. The book covers the different subjects of the curriculum for the Certified Professional for Requirements Engineering (CPRE) defined by the International Requirements Engineering Board (IREB). It supports its readers in preparing for the test to achieve the Foundation Level of the CPRE.