keyword
Monthly search volume and cost-per-click data for "what's the most popular book in the world" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| all time best selling books | 12,100 | $0.78 | 13/20 |
| best selling books of all times | 12,100 | $0.78 | 13/20 |
| best sold book of all time | 12,100 | $0.78 | 11/20 |
| best-selling books of all time | 12,100 | $0.47 | 11/20 |
| most sold book of all time | 12,100 | $0.78 | 11/20 |
| most popular books | 2,400 | $0.43 | 11/20 |
| best-selling book of all time | 1,600 | $0.53 | 12/20 |
| best selling book of all time | 1,600 | $0.53 | 11/20 |
| top 10 best selling books of all time | 1,600 | $0.57 | 11/20 |
| best seller book of all time | 590 | $0 | 11/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt