Art is a collage of splash pages.
Layouts and pencils are definitely Jack Sparling. Inks appear to be someone else, possibly a Harvey staffer. Gene Reed 11/3/2010.
Art identification by Saltarella (December 2016). Previous indexer credited "Joe Certa ?".
Original publication index credits inks to "Manny Stallman ?"
2 spot illustrations, one by Powell.