This book is no longer available through John Wiley publishers.
You can download a free PDF copy here.
The PDF copy has a small number of discrepancies with the print version,
including
 different page numbers from Part III (p.129)
 certain mathematical symbols are not displayed correctly, including
 ⊢ displayed as 
 ⊬ displayed as ;/
 ⊨ displayed as =
 ⊭ displayed as =;/
 the index is currently missing
I am working on fixing these.
