This was interesting. Not the story itself. It's a pretty standard story, with the added bonus of Zar being in it. Starfleet crew has to go back in time, this time on another planet, and save the planet. But, oh, someone will have to die, but, oh wait, there's a loophole and we've found it so that the crew's distant (or not so distant) family member doesn't have to die, woo! Everyone lives happily ever after.

Okay, that last paragraph might have been too sarcastic. I actually did like this book a lot, but, as I said, not because of the main plot, but, instead, beause of how AC Crispin managed to take the character that was a most definitely pre-original Star Trek movie character and change him, as well as the big three (Spock, Kirk, McCoy) in a way that managed to mesh them back together all the years later when they meet again.

I also did like a lot of the stuff with the Guardian (and Wynn!), although, I really wish that there'd been more world building around the Originators. That seemed to be a sort of thrown away part of the plot, and I was sad about that. I wanted to know more about the nice ones, and even the pissed off chaotic ones too.

Overall it was a really fun read, and, I'm glad that I finished the 'Yesterday Saga' in it's two book glory! ( )

Again, loved all out of proportion to the content. Very well thought out novel with a couple holes. ( )

Longer than the first book of the pair, this was written five years later and takes place 20 years later, Spock's time (less, Zar's time). ?áSo his son is of an age to be a younger brother. ?áIt would have been neater to see Spock, in either book, having to interact with a child, but of course then we wouldn't have all those battle scenes etc. ?áI did like the alien races: the Originators (those 8 crazy almost godlike beings who built the Guardian) and the little telepath, who gave birth to triplets upon almost being destroyed by trying to communicate with the Guardian: she was 'carrier' but her species also has male and female... but since all three bring forth new life, all three are referred to as 'she.'

Fun genre fiction. ?áI read so much that I'm just a little too cynical/ judgemental to fully enjoy?áthe series any more... I'd better read all that I own fairly fast before I get too unappreciative. ( )

On it's own Time for Yesterday by A.C. Crispin is a decent, fun Star Trek novel whether one has read it's precursor novel Yesterday's Son. With that said, one's enjoyment of the novel and understanding of the interactions between Kirk, Spock, and McCoy (as well as the majority of the TOS Enterprise crew) with Zar can only come after having read Yesterday's Son. The book contains two plots that cross with one another thanks to time travel, but it's the initial one of the malfunctioning Guardian of Forever that comes across as the better of the two especially as the reader meets the creators of the Guardian.

Having been given this book by a relative, I didn't know what to expect. The book was a fun read, but after the Guardian plot was wrapped up the rest of the book was missing the backstory that Yesterday's Son would have provided. So you're thinking about reading this book without having read Yesterday's Son, I recommend you don't. Find Yesterday's Son either on Kindle or at a used book store or at a friend's house and read it first before Time for Yesterday. I fully intend to find Yesterday's Son so I can re-read this book and have a better appreciation (and review of it). ( )

This book is the wonderful conclusion to another A.C. Crispin book entitled Yesterdays Son. I fell in love with this story line from the get go. A.C. Crispin knows how to write and knows how to really stay true to the Star Trek genre as a whole. She has masterfully crafted this book. This and it's partner book are my two all time favorite Science Fiction books. ( )