seodata.dev

keyword

best books written

Monthly search volume and cost-per-click data for "best books written" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=best+books+written&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0.64 | | competition | 0.77 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
best ever books 40,500 $0.52 20/20
top best books of all time 40,500 $0.52 20/20
books famous 27,100 $0.32 20/20
famous books 9,900 $0.47 20/20
greatest book 5,400 $1.49 19/20
best books ever made 2,400 $0.61 20/20
the best books ever 1,600 $0.57 20/20
popular novels 1,000 $0.31 20/20
the best books in the world 1,000 $1.32 20/20
best written books 110 $0.83 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=best+books+written&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt