Best-sellers

No. It reflects popularity, not a separate quality or difficulty grade. A best-selling design can still be highly detailed, and less-popular artwork is made through the same basic product range.

No. The collection can change as customer demand changes, so it is better treated as a snapshot of popular choices than a fixed catalog.

Ignore the ranking for a moment and compare the actual images. Pick the subject you would enjoy working on for many hours, then check the composition, available size and drill options before using popularity as a tie-breaker.