There are a number of books available with more information about Vikings. Here are just a few.
The Saga of Erik the Red: Translation with Icelandic and Old Norse Texts (Norse Sagas)
The Vikings: A History
Book by Anders Winroth
The Vikings maintain their grip on our imagination, but their image is too often distorted by myth. It is true that they pillaged, looted, and enslaved.
Stop by your local book store or library, as there are many more books available.