Helium-3 Series by Homer Hickam

A MINING COLONY ON THE MOON. A DEADLY MISSION. AND A SECRET BIGGER THAN TWO WORLDS.It's the 22nd Century. A tough, pioneering people mine the moon for Helium-3 to produce energy for a desperate, war-torn Earth.Sixteen-year-old Crater Trueblood loves his job as a Helium-3 miner. But when he saves a fellow miner, his life changes forever. Impressed by his heroism, the owner of the mine orders Crater to undertake a dangerous mission. Crater doubts himself, but has no choice. He must go... moreA MINING COLONY ON THE MOON. A DEADLY MISSION. AND A SECRET BIGGER THAN TWO WORLDS.It's the 22nd Century. A tough, pioneering people mine the moon for Helium-3 to produce energy for a desperate, war-torn Earth.Sixteen-year-old Crater Trueblood loves his job as a Helium-3 miner. But when he saves a fellow miner, his life changes forever. Impressed by his heroism, the owner of the mine orders Crater to undertake a dangerous mission. Crater doubts himself, but has no choice. He must go.With the help of Maria, the mine owner's frustrating but gorgeous granddaughter, and his gillie--a sentient and sometimes insubordinate clump of slime mold cells--Crater must fight both human and subhuman enemies. He'll battle his way across a thousand miles of deadly lunar terrain and face genetically altered super warriors in his quest to recover an astonishing object that will alter the lives of everyone on the moon."Long-haul trucking on the Moon . . . with raiders, romance and a secret mission . . . High adventure on the space frontier." --"Kirkus Reviews" less

They said she wasn’t human. They were wrong.A seemingly endless war against the insurgent Crowhoppers keeps the people of Moontown fighting when they’d rather be mining valuable Helium-3. Crater Trueblood’s valiant efforts against the genetically-manipulated beings weighs heavily on his mind. What is he really fighting for?In the midst of a deadly battle, Crater captures an enemy Crowhopper. But this one he refuses to kill... moreThey said she wasn’t human. They were wrong.A seemingly endless war against the insurgent Crowhoppers keeps the people of Moontown fighting when they’d rather be mining valuable Helium-3. Crater Trueblood’s valiant efforts against the genetically-manipulated beings weighs heavily on his mind. What is he really fighting for?In the midst of a deadly battle, Crater captures an enemy Crowhopper. But this one he refuses to kill. “It” is genetically more human than not and its gender seems to be female. She calls herself Crescent.Crater takes her to Moontown as a prisoner of war, but treats her kindly. However, at the hands of Moontown residents Crescent experiences prejudice and even cruelty.Soon Crescent is imprisoned for a murder she didn’t commit. Crater comes to her aid, and the two become fugitives, escaping into the vast expanse of hostile terrain called “the big suck.” For Crater, it turns out the cause most worth fighting for may be right by his side. less