My Gun Is Quick vs The Fourth Estate: Which Should You Read?

Both live on shelves: Thriller

My Gun Is Quick

My Gun Is Quick Mickey Spillane ★★★★☆ 3.7 Moderate Find on Amazon

The Fourth Estate Jeffrey Archer · 1700 ★★★★☆ 3.8 624 pages · ≈ 11 h 33 m · Demanding Find on Amazon

The verdict

Ratings are close: 3.7 vs 3.8 — either is a safe pick by score.
My Gun Is Quick is the easier read (Moderate), The Fourth Estate more demanding (Demanding).