SPACE COWBOY by Justin Stanchfield
Published in 2008 by Usborne Publishing, Ltd. Travis McClure is a teenaged cowboy with a horse named Deuce. He's good at his job and starting to work more and more on his own and he really enjoys being trusted with more responsibility, even if the work is hard and mostly boring. If they make enough money his family can finally return to their own ranch on Earth and make a go of it. You see, Travis and his family are part of a terraforming operation in a future where human beings are starting to move out into the galaxy. They are on Aletha Three, a planet with a climate and atmosphere similar to Earth's. Terraformers bring a few animals, a few planets and try to jump start a biosphere by spreading grass the old-fashioned way - by having animals eat the seeds and spread them in their manure. Or, as the book more delicately describes it: "On Earth, animals like wild bison and wild horses had once covered the grasslands, their hoofs churning the barren soil like a million t