keyword

most well known book

Monthly search volume and cost-per-click data for "most well known book" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=most+well+known+book&country=us" +--------------+------------------+ | volume | 90 | | cpc | $0.9 | | competition | 0.42 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
books famous	27,100	$0.32	11/20
all time best selling books	12,100	$0.46	10/20
best selling books of all times	12,100	$0.78	10/20
famous book	9,900	$0.54	13/20
famous books	9,900	$0.47	10/20
most famous books	1,600	$1.35	19/20
the best books in the world	1,000	$1.32	13/20
most read books of all time	1,000	$2.23	11/20
popular books of all time	480	$0.13	11/20
what's the most famous book	50	$0	11/20

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=most+well+known+book&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