Terry Wayne Martin: 4 books

The three boys had lived within the safety of their enclosed village all their lives. When the food rationing becomes severe, they realize their only chance for survival might be seeking a life in the desolate wastelands beyond their home. They go over the wall to find not a wasteland but a green...

The stability longed for seems to have arrived but then politics rears its ugly head again - the Emperor ousted in volume one escapes his exile. Aided by several noble houses-turned renegade, the Emperor is gathering troops to retake the throne and mete out revenge to the young mathematicians...

Tervan and his math-wizard companions find that though they have escaped exile, they are far from being free and the future of their transport technology is in jeopardy. They decide to return to Polaxar and petition the new Emperor to rescind their exile and allow them the freedom to return...

Tervan Andrisn is one of a group of math savants who get on the bad side of the Galactic Emperor. He had no idea that eloping with an Imperial Princess - at her suggestion - could get him and his friends exiled. It turns out to be a big mistake on the part of the Emperor! Using their math skills,...