keyword
Monthly search volume and cost-per-click data for "most popular book ever written" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| best seller book of all time | 9,900 | $2 | 12/20 |
| most read books of all time | 1,000 | $2.23 | 9/20 |
| most printed books in the world | 90 | $0 | 9/20 |
| what's the most famous book in the world | 30 | $0 | 9/20 |
| most produced books of all time | 20 | $0 | 12/20 |
| best selling book of all time worldwide | 20 | $0 | 10/20 |
| best selling books of all time in the world | 20 | $0 | 10/20 |
| books with the most copies sold | 20 | $0 | 10/20 |
| which book has sold the most copies | 20 | $0 | 10/20 |
| what is most popular book in the world | 10 | $0 | 14/20 |
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