There are many useful books available for writing scientific papers. The first place to start is to read papers in high quality journals, but read with the intention of understanding HOW the authors conveyed their results, not the subject matter (which we normally focus on). Peer-reviewed journal papers have been carefully edited many times, including (usually) quite strict evaluation by anonymous reviewers. Writing standards are usually, therefore, high.
The most important rule: be concise!
Below are some books that are useful to learn more about writing:
1. Katz, M.J. (2009) From Research to Manuscript. Springer, 2nd edition.
2. Strunk, W. and White, E.B. (1999) Elements of Style. Pearson, 4th edition.