Problems, exercises, etc English language 573 Rhetoric 240 Textbooks for foreign speakers 231 Grammar 206 College readers 147 Report writing 131 more ... Mathematics 91 Physics 91 Study and teaching 83 Chemistry 68 Readers 67 Accounting 56 Vocabulary 53 Business English 49 Listening 41 Outlines, syllabi, etc 41 Spoken English 38 Critical thinking 35 Business mathematics 33 Case studies 33 Academic writing 31 Chemistry, Organic 30 Technical English 25 Reading comprehension 24 Sentences 24 Paragraphs 23 Strength of materials 22 Business writing 21 Engineering mathematics 21 less ...