This book explains 100 significant and important topics in Iowa history as written by author Dan Clark. Resource can be used with the following standards to further develop lessons: 1st grade SS 1.23 Cultural Makeup, 3rd grade SS 3.27 Immigration and Migration, 3rd grade SS 3.28 Cultural Contributions, 8th grade SS 8.25 Iowa Government, SS-Gov. 9-12.28 Iowa Issues and Policies, SS-US 9-12.23 Iowans Influence US History.