The 'Gift Beyond Price' Trilogy
| Gift Beyond Price (1) - Kirk struggles with his new command, his dealings with his Vulcan first officer, and with a difficult Gary Mitchell who had expected to be second in command. |
| Gift Beyond Price (2) - Events cause Spock's life to be changed forever. |
| A Kindred Spirit (1) - This continues the events in Gift Beyond Price. Along with many other problems, a powerful alien being causes havoc. |
| Chosen Brother (1) - After Mitchell's death at the galactic barrier, Kirk struggles to cope. A lovely woman comes aboard and the situation deteriorates further. |