Pennterra Author:Judith Moffett Here the Quakers, Earth's experimental first colony, made contact with the mysterious Hrossa. Intelligent and empathetic, the amphibious Hrossa respectfully laid down Pennterra's law: the humans must remain in the valley, use only passive power sources and not expand in population. — For six years, humans and Hrossa lived in mutual fascination an... more »d harmony. Then the Down Plus Six landed - full of scientists and explorers determined to do what the Quakers had not. Build a new settlement for Earth's pilgrims.
But the warning is clear: ravage Pennterra, and the planet will strike back...« less