Guards! Guards! vs The Colour of Magic: Which Should You Read?

Both live on shelves: Samuel Vimes, Discworld, Fantasy, Fiction

Cover of Guards! Guards!

Guards! Guards! Terry Pratchett · 1989 ★★★★☆ 4.3 392 pages · ≈ 7 h 16 m · Moderate Find on Amazon

vs

Cover of The Colour of Magic

The Colour of Magic Terry Pratchett · 1983 ★★★★☆ 4.1 210 pages · ≈ 3 h 53 m · Moderate Find on Amazon

The verdict

Ratings are close: 4.3 vs 4.1 — either is a safe pick by score.
The Colour of Magic is the quicker read — about 3 hours vs 7 for Guards! Guards!.

Side by side