Si te gusta Los viajes de Tuf

"Haviland Tuf is an honest space-trader who likes cats. So how is it that, in competition with the worst villains the universe has to offer, he's become the proud owner of the last seedship of Earth's legendary Ecological Engineering Corps? Never mind, just be thankful that the most powerful weapon in human space is in good hands--hands which now control cellular material for thousands of outlandish creatures. Armed …