| Item name | Item Type |
| 1968 | ebook |
| All My Sins Remembered | ebook |
| Buying Time | ebook |
| The Coming | ebook |
| Forever Free | ebook |
| The Forever War | ebook |
| Guardian | ebook |
| Infinite Dreams | ebook |
| Mindbridge | ebook |
| More Than the Sum of His Parts | ebook |
| There Is No Darkness | ebook |
| Tool of the Trade | ebook |
| Vietnam and Other Alien Worlds | ebook |
| War Year | ebook |
| Worlds | ebook |
| Worlds Apart | ebook |
| Worlds Enough and Time | ebook |