In Communicative Language Teaching situation, role of material is not only important but also inevitable. In the traditional context of English teaching textbooks are considered the main source of materials. This paper will provide an evaluation of "Effective Communication Skills" ("ECS") coursebook that has been introduced as a pilot project implemented in 2011 by the Ministry of Higher Education, Malaysia. For the current study, data has been collected on the basis of materials study, and questionnaires. The qualitative analysis has been conducted with a total sample of around 214 students, and 3 instructors. The results show that in spite of some shortcomings, there is a general satisfaction about this textbook as it is exclusively produced by the local experts for the tertiary level. The study concludes with suggestions and recommendations for the improvement of the "Effective Communication Skills."