The second book “Volfganger” is a character study of “Volfgang Smythe” from the first book. It often refers to the First Book of Zyzie. This book starts in a POW cage somewhere in the jungle. Volfy is one of the characters involved in searching for Zyzie both in Vermont and later near her cave under the waterfall near M3. There are other adventures as well not related to the first book. It is fast paced style with several surprises is a fun read as well.
Find it is on Smashword.com.