The second novel of the Sands of Time Series Based on Star Trek but set mainly on Ravnica, then a. Bertram Chandler's Rim Worlds. Other realities do intrude from time to time...

A star Trek crossover novel based on FASA Trek,and crossed over with many others, mainly Magic the Gathering. Generally set in TMP - I put the date as the 27th century as when we get this tech. The physics is my own - I have two degrees in physics!

A vampiric plague, mass amnesia, the destruction of Valhalla and more as the crew of the U.S.S. Valkyrie go up against a villain from Anglo-Force's past.

After saving Anglo Force from the Predators in 1999, the Valkyrie returns to the 24th century, but finds itself in hostile territory, having to deal with Darth Vader & the Galactic Empire, as well as the Sontarans.