keyword

books most popular

Monthly search volume and cost-per-click data for "books most popular" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=books+most+popular&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.51 | | competition | 1 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
books popular	27,100	$0.32	20/20
popular books	27,100	$0.31	20/20
popular book	27,100	$0.5	17/20
best selling books of all times	12,100	$0.78	18/20
best selling books of all time	12,100	$0.46	17/20
famous books	9,900	$0.47	16/20
list of books	8,100	$1.57	16/20
most popular books	2,400	$0.39	20/20
most popular books of all time	1,900	$0.6	18/20
popular novels	1,000	$0.31	17/20

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=books+most+popular&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