Penetration: Special Edition Updated vs The Only Planet of Choice: Essential Briefings From Deep Space: Which Should You Read?

Both live on shelves: Self help

Penetration: Special Edition Updated

Penetration: Special Edition Updated Ingo Swann ★★★★☆ 4.0 Moderate Find on Amazon

vs

The Only Planet of Choice: Essential Briefings From Deep Space

The Only Planet of Choice: Essential Briefings From Deep Space Phyllis V. Schlemmer ★★★★☆ 4.1 Moderate Find on Amazon

The verdict

Ratings are close: 4.0 vs 4.1 — either is a safe pick by score.

Side by side