Chase Through Time: Revised Edition

What are the consequences of traveling to the past or the futureor to a parallel timeline?

This fourth sequel to The Book in the Loft series takes Surion captain Torn, along with Neil and Elena MacBruce and the crew of the Circle of Planets starship Explorer, into all three dimensions.

Time travelers from the future invade the Surions world and take what isnt theirs.

Explorers captain Varkon decides to find the means to track them down, but the technology within his Circle of Planets is of no help.

Enlisting the aid of the Dropa and an alien race of Torellian time travelers, he and his crew set out to retake what was stolen, not sure if they will succeed in their mission or be caught and lost somewhere in time.