Private London vs The Shifting Tide: Which Should You Read?

Private London
Private London James Patterson & Mark Pearson · 2011 ★★★★☆ 4.0 373 pages · ≈ 6 h 54 m · Moderate Find on Amazon
vs
The Shifting Tide
The Shifting Tide Anne Perry · 2004 ★★★★☆ 4.2 339 pages · ≈ 6 h 17 m · Moderate Find on Amazon

The verdict

Side by side

Private LondonThe Shifting TideEnjoymentDifficultyInfluencePopularityClassic
Serial murdersLondonPrivate investigatorsThrillerFiction