seodata.dev

keyword

the best books in the world

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

$ curl "https://app.seodata.dev/v1/keyword?q=the+best+books+in+the+world&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $1.32 | | competition | 0.79 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
top best books of all time 40,500 $0.52 17/20
best ever books 33,100 $0.49 17/20
books famous 27,100 $0.32 19/20
best fiction books all time 6,600 $0.49 17/20
best novel 4,400 $0.43 17/20
the best books ever 1,600 $0.57 19/20
most famous books 1,600 $1.35 17/20
the greatest book of all time 1,600 $0.57 17/20
best books written 1,300 $0.64 17/20
popular books of all time 480 $0.56 18/20

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=the+best+books+in+the+world&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