Royalty-Free Book cover Photos, orientation: vertical, dominant color: gray, sorted by aesthetic score
- 2812x4220 Public Domain
- 3648x5472 Public Domain
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- 1867x2800 Public Domain
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- 4000x5333 Public Domain
- 3456x4608 Public Domain
- 3401x5101 Public Domain
- 3353x5030 Public Domain