Star Trek: Deep Space Nine, The Laertian Gamble written by Robert Sheckley is a Dr. Julian Bashir main character book. As Dr. Bashir gambles at Quark's gaming tables things start to go wrong in the TREK universe. Suns go nova, planets lose their atmosphere and the cause and effect is hard to understand.
But, of course, there is a bizarre Laertian science called the Complexity Theory that is connected to Bashir's gambling. As Bashir tries to stop, the Laertian warfleet appears and literally forces Bashir to continue. If that wasn't enough, Major Kira and Dax are on the planet Laertes and must battle their way through chaos and danger making for an intertesting story. The story is quite simple, but the book is complex in that it is written in a choppy-manor. Some readers will find it difficult to read, but don't lose faith keep reading as the story is wonderful if not more to the fantasy side of TREK than actual TREK.
This is another story where the principles in the story must correct a wrong, keeping the Federation, if not the whole universe from utter destruction. I found rereading the book makes more sense than just your initial scan of the plot and storylines. The Laertian Complexity Theory is simular to or quite like the Theory of Chaos, but Dax and Kira seem to do well with the problems that they face.
I enjoyed the book more the second time I read it... even though the writing style is choppy, the story was good. Remember this is early DS-9 so the characters aren't as fleshed out as they should be. Nor, are their roles and styles of action layed out or defined. All in all, the storyline was well-thoughtout, but the writing could have been written a little better... where was the editor?