Complex sentence: He returned to England where he continued his practice, retiring and publishing a book, "The One-Humped Camel in Health and in Disease" (1928), which would remain a standard work in India for fifty years.
Split into simpler sentences: He returned to England where he continued his practice, retiring and publishing a book, "The One-Humped Camel in Health and in Disease" (1928). A book which would remain a standard work in India for fifty years.