the_time_traders.jpg (21224 bytes) The Time Traders by Andre Norton 1970 - 220 Pages
Book #1 In The Ross Murdock Series

Ross Murdock is a "volunteer" for a secret government project—Operation Retrograde—fighting the strangest battle of the Cold War. The Russians have infiltrated an unknown era of the past and developed powerful new weapons by utilizing lost technology. American scientists also have the means to transport men into the past. Operation Retrograde must succeed in finding and tapping the source of the Russians' secret weapons. Murdock and the other members of his team embark on a dangerous search of almost-forgotten time periods, in a Cold War where the past has become the battlefield of the future!