Without access to the book's content, it is impossible to pinpoint Riener's exact argument. However, based on the title, it is safe to assume that the book aims to provide a nuanced understanding of the concept of truth, possibly by examining various philosophical perspectives and their limitations.

This depends on the reader's individual background and willingness to engage with complex ideas. The book's academic nature suggests it might be more approachable for readers with some prior exposure to philosophical concepts.

Currently, there is no information available about an English translation of the book.