Time Traders Omnibus: The Time Traders / The Defiant Agents / Key Out of Time
Old school sci-fi. The Russians are coming out with inventions that appear far ahead of their time.A group of time travellers have to try and find where they are getting it from and try to get the lead on the Russians.
There are two stories in this book, both of which throw someone from outside into the time travel team. There's always lots of action as the different groups try and get the upper hand.
