Springer's web site has information for preparing your chapter using plain TeX, LaTeX2e, and LaTeX 2.09. You can find these instructions at the following sites:
Here you can see a very short example chapter in postscript format.
Papers can have a maximum of 16 pages in the indicated Springer format. Longer papers run the risk of being rejected without further consideration. Shorter papers are of course welcome as well.
Submissions must be full papers; no extended abstracts.