keyword

agatha christie most popular book

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

$ curl "https://api.seodata.dev/v1/keyword?q=agatha+christie+most+popular+book&country=us" +--------------+------------------+ | volume | 260 | | cpc | $0.25 | | competition | 0.28 | | country | US | | updated | 2026-06-24 | +--------------+------------------+

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
best agatha christie book	8,100	$0.14	20/20
agatha christie best books	8,100	$0.13	18/20
best novels of agatha christie	8,100	$0.14	17/20
agatha christie best novels	8,100	$0.14	16/20
top ten agatha christie books	8,100	$0.14	16/20
best agatha christie books	6,600	$0.12	20/20
agatha christie books most popular	260	$0.2	16/20
most popular agatha christie book	260	$0.2	16/20
most popular agatha christie books	260	$0.2	16/20
the best agatha christie books	110	$0.07	16/20

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=agatha+christie+most+popular+book&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