Aliyev Gaya Ibad oglu. Scientific-theoretical principles and the legal characteristics of sources of the legislation on criminal procedure of the Azerbaijan Republic. Baku, "Science and education" Publishing House, published in 2014, 208 pages. ISBN-13: 978-1500699215 ISBN: 9781310637377 ISBN-: 1500699217 In this monograph the conceptual principles of the sources of the legislation on criminal procedure of Azerbaijan Republic has been investigated. In the course of the investigation has been brought forth scientific and practical proposals in the direction of improvement of legislation on criminal procedure and elimination of the gaps and collisions in this sphere which can helpful for legislative organs. This book can be useful for students of law, at the same time scientific labourers, including the employees of the law-enforcement organs, judges, prosecutors, investigators, as well as civil servants and representatives of the legal community society.