Planet Alpha Series by Mark Blackstone

When the notorious Alphan fighter pilot, Avollo, is captured in battle, he's expecting to be transferred to a military prison, so when he arrives at a civilian Xyran prison on a remote jungle moon, he knows he's in trouble. He's surrounded by his enemies, and he knows his only chance of survival is escape—and quickly. Geth and Nix are Xyran bondmates who've been waiting years to get their revenge on the fighter pilot who cost Geth his military career... moreWhen the notorious Alphan fighter pilot, Avollo, is captured in battle, he's expecting to be transferred to a military prison, so when he arrives at a civilian Xyran prison on a remote jungle moon, he knows he's in trouble. He's surrounded by his enemies, and he knows his only chance of survival is escape—and quickly. Geth and Nix are Xyran bondmates who've been waiting years to get their revenge on the fighter pilot who cost Geth his military career. When they arrange to have Avollo transferred to their prison, they think up a fitting scheme to put their Alphan enemy to death. Without the vast reaches of space between them, the Xyrans and the Alphan come face to face for the first time—and they realize their war is just beginning. A war of lust and love. A war of denied desires. less

Atlas, a human survivalist, left his home and traveled to the tropics to get away from everyone. That's where he met Vega, the Alphan conservationist who's been saving endangered animals. They become bondmates and live happily on Earth.Until Vega receives a distress call from Alpha. His baby sister is dying and needs a bone marrow transplant from him. Time is of the essence, but when they try to take a shortcut through hyperspace, they get arrested for entering a restricted region... moreAtlas, a human survivalist, left his home and traveled to the tropics to get away from everyone. That's where he met Vega, the Alphan conservationist who's been saving endangered animals. They become bondmates and live happily on Earth.Until Vega receives a distress call from Alpha. His baby sister is dying and needs a bone marrow transplant from him. Time is of the essence, but when they try to take a shortcut through hyperspace, they get arrested for entering a restricted region. As captain, Vega is sentenced to death.Krux is the Xyran commander of a space station wherein a few Alphans and Xyrans are working together on a secret project. He envies the bondmates' love and doesn't want to separate them, but he has a duty to follow the station laws.Will the bondmates escape from the space station in time? What sacrifices will they all have to make? less