A behind the scenes journey into the little-known world of genetic engineering. Field marks, behaviors, and geographic ranges are provided for 35 of the world's most top-secret genetically engineered species. Also described are the historical sagas and personal dramas behind each creature's artificial manufacture. From migratory chickens to fire-retardant trees, square tomatos, and oil drinking bacteria, the creatures described in this field guide give new meaning to the old adage that 'fiction is stranger than truth'.