If we are including magazines then my "CAR" magazine collection. Nearly every single issue since 1964 to present day - collected over 3 generations of petrolheads.
Gorge RR Martin. Song of Ice and Fire series. aka Tyrion Lanister is a tiny awesome pimp. He also does a harder to find series called Wild Cards that are fun reads. Pat Rothifuss. Kingkiller Series. Surprised no one has posted it yet.