I had order an eBook, Thinking in Systems: A Primer, from Amazon.com.
According to its product specification, this eBook support word wise
If this eBook support word wise, you can find word wise in the lower right corner
But the eBook which I bought cannot find Word Wise function in the lower right corner.
I contacted with Amazon customer service. Customer service had confirmed that the eBook is defective, they need to contact the publisher about updating the eBook. They will me once Amazon get any update about the eBook, then I can place the order for the eBook once it is updated.
Problem resolution process is as following: