1. The Secret of Superboy's Sister (Superboy, Ma and Pa Kent / written by Leo Dorfman)
2. Invisible Invader! (Legion of Super-Heroes with Superboy / written by E. Nelson Bridwell : reprinted in : Best of DC #24, Legion of Super-Heroes Archives #10)
1. The Secret of Superboy's Sister (Superboy, Ma and Pa Kent / written by Leo Dorfman)
2. Invisible Invader! (Legion of Super-Heroes with Superboy / written by E. Nelson Bridwell : reprinted in : Best of DC #24, Legion of Super-Heroes Archives #10)