English for Specific Purposes World, ISSN 1682-3257, www.esp-world.info, Special Issue #1, Vol. 16, 2015 The investigation of manifestation of sexism in EFL/ESL textbook: A Case Study Saman Ebadi and Narges Seidi 1 The investigation of manifestation of sexism in EFL/ESL textbook: A Case Study Saman Ebadi PhD in TEFL, Assistant Professor, Department of Literature and Humanities Razi University, Kermanshah, Iran Email:Samanebadi@gmail.com Narges Seidi M.A. student of TEFL, Department of Literature and Humanities Razi University, Kermanshah, Iran Narges.seidi@yahoo.com Abstract :Sexism is discrimination based on person ’sex or gender .It is an attitude which might be originated from traditional stereotypes of gender roles .It reflects the view that a person of one sex is intrinsically superior to a person of the other .Regarding the concept of the sexism ,the present study aims to investigate the status of sexism in Top Notch series book ,it is a newly developed ESL/EFL textbook which are adopted by many EFL teachers in private language institute .To fulfill the aims of the study both qualitative and quantitative analysis were performed to examine the manifestation sexist attitudes in these textbooks. In quantitative analysis, sex visibility in both texts and illustrations were studied .Then woman and men portrayal in occupational roles and professional settings adjectives used for men and women. Also adjective which refers to both males and females were counted and summarized after the analysis of the data, it was revealed that Top notch series cannot be considered manifest sexist in textbook. Key words: Course content, Sexism, Stereotyping. Introduction It has been shown that students can learn some concepts which are not written and are implicit. Some of these implicit ideas may lead students to behave in special way in society. They learn quickly that they have to conform to the rules of the school if they want to receive approval (Anderson, 2001).