keyword

millions of books

Monthly search volume and cost-per-click data for "millions of books" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=millions+of+books&country=us" +--------------+------------------+ | volume | 550,000 | | cpc | $0.12 | | competition | 0.12 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
books of a million	550,000	$0.16	17/20
books million	550,000	$0.16	12/20
books millions	550,000	$0.16	12/20
a million books	550,000	$0.12	11/20
books in million	550,000	$0.12	11/20
books of million	550,000	$0.12	11/20
book of millions	550,000	$0.12	10/20
books a million books	550,000	$0.16	10/20
book a million	9,900	$0.06	11/20
books a million store finder	3,600	$0.4	10/20

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://api.seodata.dev/v1/keyword?q=millions+of+books&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt