Details can be found at his blog.
There is a video interview with William discussing the new book:
I read the book before publication and provided a "blurb":
After the stunning events of 2020, Western Christians face their toughest ever challenge. How can the lone individual survive spiritually, when confronted by a worldwide materialistic bureaucracy determined to impose a system of inverted values? William Wildblood has confronted this question head-on; and written a book of urgent, and potentially soul-saving, importance. Earth is a School puts our continuing, worsening crisis into the cosmic perspective of God's plans for mortal men on this earth. And by the end, Wildblood leaves the reader both encouraged and energised for the task ahead.