Breakout Series by David J. Lake

To the purple born, the key to life on Earth is the DNA helix, which determines all the characteristics of every living thing. The helix, a series of molecules within the life cell, is a spiral - with a left-hand turn.The planet called Dextra could have been a duplicate of Earth. It teemed with life, both flora and fauna. But on Dextra the helix of life had a right-hand thread. And there could be no viable combination between the two life forms, the native and the invading Terran... moreTo the purple born, the key to life on Earth is the DNA helix, which determines all the characteristics of every living thing. The helix, a series of molecules within the life cell, is a spiral - with a left-hand turn.The planet called Dextra could have been a duplicate of Earth. It teemed with life, both flora and fauna. But on Dextra the helix of life had a right-hand thread. And there could be no viable combination between the two life forms, the native and the invading Terran.So it became a battle on the part of the colonists to uproot the native Dextran ecology - purple plants and beasts with surprising intelligence - and replace it with Earth-born green. But the planet fought back in its own way. And the result is a science fiction novel that is unusual, exciting, and highly original. less

1st edition paperback, vg