Online version of the classic, The Elements of Style by William Strunk
Strunk, William, Jr. 1918. The Elements of Style “…this classic reference book is a must-have for any student and conscientious writer. Intended for use in which the practice of composition is combined with the study of literature, it gives in brief space the principal requirements of plain English style and concentrates attention on the rules of usage and principles of composition most commonly violated.”
10 overused words in writing
Precise Edit: “10 Overused Words in Writing”.
Story starters for the young writer
Writing Bugs - There are some cute starters here to get the creative juices flowing. Some are fun (”You can decorate one room any way you want…”), some are serious (”Write about a goal you’d like to achieve in the year ahead.”)
Downloadable & printable grammar workbooks for grades 1-6

Scott Foresman Reading: Teacher Resources - Very nice workbooks!
Reference guide for grammar, writing and punctuation
English Grammar and Writing : English language courses, English Grammar Online
