Crownover families in USA

My mother wrote this book. It is a family history book about my father's side of the family - Crownover.
My father made many of the sketches including the cover.
There is also a non-profit organization called Crownover Families USA, Inc.
There is also a Facebook group called Crownover Families USA. This group was created July 2010. Everyone is welcome.
The Crownover ancestors came to America from Holland in the 1600's. My mom traced the genealogy back to 1440.