Complex sentence: Curle aided Conrad's career by introducing him to editors, dealers, and collectors; he also arranged projects that helped Conrad financially, such as writing the Preface to Curle's 1923 book of essays, Into the East.
Split into simpler sentences: Curle aided Conrad's career by introducing him to editors, dealers, and collectors. He also arranged projects that helped Conrad financially, such as writing the Preface to Curle's 1923 book of essays, Into the East.