Guess: Might match Library of Congress name "Van Zile, Edward S. (Edward Sims), 1863-1931".
Items with "Van Zile, Edward S." as Credited Author
Cassell's Rainbow Series
21. Wanted--A SensationCassell's Sunshine Series of Choice Fiction
31. The Last of the Van Slacks82. Don Miguel, and Other Stories
Eagle Library
167. The Manhattaners452. The Last of the Van Slacks