Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art vs Rock-forming minerals: Which Should You Read?

Both live on shelves: Science

Cover of Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art David Ames Wells · 1850 ★★★★☆ 3.8 423 pages · ≈ 7 h 50 m · Challenging Find on Amazon

vs

Cover of Rock-forming minerals

Rock-forming minerals W. A. Deer · 1962 668 pages · ≈ 12 h 22 m · Moderate Find on Amazon

The verdict

Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art is the quicker read — about 7 hours vs 12 for Rock-forming minerals.
Rock-forming minerals is the easier read (Moderate), Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art more demanding (Challenging).

Side by side