Here are some nice links helpful for writing ..check out..
Elements of Style by William Strunk is the classic writer's guide. This edition has been formatted for the Web. Students should pay particular attention to the sections on the paragraph and topic sentence.
How to Write a Paper, by P. Halsall, discusses the basic steps involved in writing a paper.
MLA Manuscript Format (in html) and MLA Based Guide for Writing Research Papers (PDF document, link fixed 25 Nov., 2005). This will answer most questions concerning the proper formatting of a research paper. The basis steps in writing such papers are also discussed.
The Writing Guide, developed by Prof. Carolyn Schriber of Rhodes College, is an excellent guide to the basics of constructing an expository essay (also, it is here as an MS Word doc.)