2019. First Edition. 212 pages. Signed by the author. Pictorial paper cover. The Secrets and Spies Series. Signed by the author with dedication to first page. Contains black and white in-text illustrations. Pages remain bright and clear with minimal tanning and foxing. Light brown marking to text-block edges. Binding remains firm. Paper cover has light edge wear with minimal scuffing to edges and creasing. Light rubbing to surfaces with slight curling to corners.