LeRoy Miller started reading Star Trek 1 by James Blish

Star Trek 1 by James Blish
Adaptations of the screenplays from the early episodes of the original Star Trek television series.

Adaptations of the screenplays from the early episodes of the original Star Trek television series.
Content warning The whole book is spoilers for the TV episodes
Finished the first story in this book - Charlie's Law - Not quite Charlie X, but all the roots of that story are here. I think what ended up airing probably was better, but it's been a while since I've seen that episode.
Content warning The whole book is spoilers for the TV episodes
Finished the second story - Dagger of the Mind. It's been a while since I watched this episode, but from what I remember this story follows pretty close to what was aired. I am sure there were some changes. Next story - The Unreal McCoy. I've been trying to figure out what episode this is. So I am prepared to be surprised.