Authentic signed copies of The Road are exceptionally rare; some reports suggest almost no signed trade copies are available in the public "wild," as many were kept within his estate.
Published in German in 2007 (translated by Nikolaus Stingl), the novel follows an unnamed father and son as they trek across a burnt-out, ash-covered American landscape after an unspecified catastrophe.
If you are interested in the "rarity" of the physical book, certain editions are highly sought after by collectors:
Central to the story is the concept of "carrying the fire," which represents maintaining humanity and compassion in a world that has lost both.
They push a shopping cart filled with meager supplies, seeking to survive both the elements and roaming bands of cannibals.