Second Edition. 486 pages. Signed by the author. Pictorial paper cover. Through Version 6. Signed by the author with dedication to first page. Pages are lightly tanned and foxed throughout. Light thumb-marking present. Binding remains firm. Slight cracking to hinges. Paper cover has mild edge wear with scuffing to edges and creasing. Book has a slightly rolled spine. Light tanning to spine and edges. Mild rubbing to surfaces with curling to corners.