1999. Reprinted in Facsimile Edition. Unpaginated. Paperback book with pictorial cover. Comes with slipcase. Comprises certificate confirming genuine facsimile of original publication of 1951. Collectors' limited edition. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Slipcase has light edge wear with faint markings and scuffing to panels.