in these 30 short videos students are prepared to learn english for high school and for universities. most of the explanations about the subjects are in both english and turkish. so it is mostly suitable for turkish learners of english. however, foreign students also can utilize it since explainations are also in english with subtitles of the speeches. it begins from the very begining subjects such as have has got structures to more complicated ones. in total, 30 videos will help students to improve with the self study referance videos. if you wonder just watch them...