Second Revised Edition. — University of California Press, 1968.
This is an great help for the first stages of the study of the Sanskrit language. Although it contains only 25 pages it is an very useful book for anyone who is studying this language. Although it now appears to be out of print and difficult to find, it is often recommended by the writers of other book on teaching Sanskrit. It contains all the important sandhi grammatical rules and a set of very useful exercises.