keyword

top 100 books of the 21st century

Monthly search volume and cost-per-click data for "top 100 books of the 21st century" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=top+100+books+of+the+21st+century&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0.45 | | competition | 0.01 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
best books 21th century	6,600	$0.4	16/20
best books of the 21st century	6,600	$0.4	15/20
nytimes top 100 books	6,600	$0.76	13/20
best books of 21st century	5,400	$0.25	18/20
100 best books of the 21st century	3,600	$0.21	20/20
greatest novels of the 21st century	2,400	$0.36	16/20
nyt best books of 21st century	1,900	$0	19/20
100 best books	1,900	$0.85	14/20
100 best novels 21st century	170	$0.19	14/20
top 100 novels 21st century	50	$1.89	14/20

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=top+100+books+of+the+21st+century&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