Only You Can Save Mankind vs Rabbit and Robot: Which Should You Read?

Both live on shelves: War, Humorous stories, Children's fiction

Only You Can Save Mankind Terry Pratchett · 1992 ★★★★☆ 3.7 237 pages · ≈ 4 h 23 m · Easy Find on Amazon

Rabbit and Robot

Rabbit and Robot Andrew Smith · 2018 ★★★★☆ 3.9 448 pages · ≈ 8 h 18 m · Easy Find on Amazon

The verdict

Ratings are close: 3.7 vs 3.9 — either is a safe pick by score.
Only You Can Save Mankind is the quicker read — about 4 hours vs 8 for Rabbit and Robot.