During his lifetime, from 1907 to 1990, Iowa farmer, Merle R. Nelson, saw many different tracks. From a dirt track past his house to tracks made by men walking on the moon, he witnessed dramatic changes both in farming and in society. And, he left tracks of his own. Tracks: From Buggies to Furrows to Wings offers Merle's insightful, first-hand account of those event-filled years.