If you're interested in other books on the Depression or Dust Bowl you might want to read a few of these:
Hard Times: An Oral History of the Great Depression by Studs Terkel
Let Us Now Praise Famous Men by James Agee and Walker Evans
Little Heathens: Hard Times & High Spirits on an Iowa Farms During the Great Depression by Mildred Armstrong Kalish
Harpsong by Rilla Askew
A Student of Weather by Elizabeth Hay
A complete booklist is available at the Redmond Library.