Matt Shaw's signed Paperback Extreme horror series,
Hardback signed novellas from Douglas Clegg, McBride & Prentiss.
The exquisite signed HC by David J. Schow with his - A Little Aqua Book of Creature Tails and down to the tiny Thunderstorm novella Immersion by Lee Thompson.
How small can books get?
Pretty F*cking small is the answer.