Recently published review  by the editor-in-chief of IJGS George Klir of Louie’s book “More than Life Itself” . The essential quote from the review (with which I heartily agree):
My overall impression of the book is very positive. It is not only a comprehensive, rigorous and well-written overview of Rosen’s life-long contributions to theoretical biology, but it also contains some additional contributions by Louie himself to this area. I consider the book very relevant to all readers of this journal, not only those interested in biology. The book presents the material at two levels, a level of conceptual/philosophical discussion and a level of rigorous mathematical treatment. Understanding the latter requires substantial mathematical maturity. I suspect that the most challenging aspect of the book for many readers will be the heavy use of category theory, which plays an important role in Rosen’s system theory. Although requisite mathematical preliminaries are concisely presented in the book, more extensive knowledge, especially in category theory, is likely to be needed for full understanding of the material covered.
 Klir, G. 2010. Book Review of “More than life itself: A synthetic continuation in relational biology”. IJGS 39(7):783 – 797. DOI:10.1080/03081079.2010.504338.
 Louie, A. 2009. More Than Life itself: A Synthetic Continuation in Relational Biology. Ontos-Verlag. ISBN 978-3-86838-044-6.