Dona Herweck Rice 
Estados Unidos entonces y ahora [PDF ebook] 

If you lived long ago, how different would life be from how it is today? Many things are different, but many things are the same! Introduce students to the concept of change as they compare homes, schools, jobs, technology, and transportation from the past and present. This Spanish book uses dynamic primary source images to engage students in learning. The table of contents, glossary, and index work to aid students in better understanding the content.