Books

http://www.amazon.com/Paco-The-Cat-Meowed-Space/dp/1479124818

http://www.amazon.com/Crater-Helium-3-Novel-Homer-Hickam/dp/B00AK3YD32/ref=pd_sim_b_4?ie=UTF8&refRID=13534WGFSS816TRZCJEZ

http://www.amazon.com/Crescent-Helium-3-Novel-Homer-Hickam/dp/1595546634/ref=pd_bxgy_b_text_y