Books _ Among the dozen or so math word_problem books of note published in the past decade, one, written by Mary Jane Sterling, from a well_known, popular brand of information books, which I'm unable to name here, stands out. The publisher has put a decent chunk of the book online at books.Google.com (go to books.google.com and search for sterling word problems).
Division worksheets are not all created equal. There are basically two types: math fact sheets and long division sheets. Math fact sheets are easy to create (with the division symbol between the numbers) and require few if any paper calculation from students. Long division sheets are more difficult to program, e.g., with or