兰甘编著的《美国大学英语写作（第9版）》是一部全面、系统、实用的英语写作教材，适合大学英语专业学生、非英语专业高年级学生以及其他希望提高英语写作水平的学习者使用。本书作者集二十余年英语写作教学经验之大成，精心编写。本书已经数次再版，是历经锤炼的经典写作教材。本书详细介绍写作过程，讲解九种作文的方法，针对学生习作进行评析，并选用名家作品供分析和模仿。本书讲解大学阶段常用的各种写作体裁，如怎样写文章摘要、读书报告和研究论文。范例丰富，实用性强。

PART1 Essay Writing
1. An Introduction to Writing
2．The Writing Process
3．The First and Second Steps in Essay Writing
4．TheThird Step in EssayWriting
5．The Fourth Step in Essay Writing
6．Four Bases for Revising Essays
PART2 Patterns of Essay Development
7．Introduction to Essay Development
8．Description
9．Narration
10．Exemplification
11．Process
12．Cause and／or Ef．fect
13．Comparison and／or Contrast PART1  Essay Writing
  1. An Introduction to Writing
  2．The Writing Process
  3．The First and Second Steps in Essay Writing
  4．TheThird Step in EssayWriting
  5．The Fourth Step in Essay Writing
  6．Four Bases for Revising Essays
PART2  Patterns of Essay Development
  7．Introduction to Essay Development
  8．Description
  9．Narration
  10．Exemplification
  11．Process
  12．Cause and／or Ef．fect
  13．Comparison and／or Contrast
  14．Definition
  15．Division—Classification
  16．Argument
PART3  Academic Writing
  17．Writing a Summary
  18．Writing a Report
  19．Writing a Research Paper
PART4  Handbook of Sentence Skills
SECTIONⅠ Grammor
  20. Fragments
  21. Run-Ons
  22. Misplaced Modifiers
  23. Dangling Modifiers
SECTIONⅡ  Mechanics
  24. Manuscript Form
  25. Capital Letters
  26. Numbers and Abbreviations
SECTIONⅢ  Punctuation
  27. Apostrophe
  28. Quotation Marks
  29. Comma
  30. Other Punctuation Marks
SECTIONⅣ  Effective Word Choice
  31. Effective Word Choice
Introduction to the Readings
 Looking Inward
Observing Others
Confroning Problems
Credits