Commonwealth history says part of the reason for the Downfall was because some people were classed as mutants and made into slaves, and the slaves eventually rebelled.
Bain and Lin go on an exploring mission and meet Leapers -
Then, while exploring a desert world that could be the birthplace of the Leaper race, they run into an old friend. Or is he an old enemy?
A colony world lost during the Downfall, Aramar is in a strategic spot between the Commonwealth and Conclave. Both galactic civilizations want Aramar to join them.
Trouble is brewing, and the crew of "Sunsinger" is asked by the Commonwealth Council to go to Aramar and assist the Commonwealth's ambassadors. And help them escape if the trouble erupts into civil war.
Lin is friends with the ambassador and his wife, so she and Bain stay at the embassy. They meet the two ruling families of the planet and Bain lands in a position to help when rebellion erupts across the planet. What he does will affect the Commonwealth and Aramar for decades to come.
Gemar, a lost colony, former member of the Conclave, now a member of the Commonwealth. A world with legends of shapeshifters.
Someone wants to force Gemar to re-
When Captain Lorian of the Estal'es'cai is one of the victims, the future of the Leaper alliance with the Commonwealth is in jeopardy. Bain and his Spacer friends risk their lives to investigate and protect their Leaper friends and bring their dream of the Scout Corps to life.