Dr. Elsayed Mohammad El Alfy and Dr. Radwan Elsaid Abdelaal for their translation from English into Arabic the book Computer Networking: A Top-Down Approach of James F. Kurose and Keith W. Ross. The book addresses  a vital topic in computer science and engineering. It is also an important reference book for university and graduate students. The translators successfully maintained the content of the original book and creatively render it into excellent Arabic.