This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I don't understand what you mean by "dynamically". The Google Map is downloaded to a browser according to the parameters you send when one opens a page, so it is always "dynamic".
Did you read the page I linked to?