keyword

history books pdf free

Monthly search volume and cost-per-click data for "history books pdf free" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=history+books+pdf+free&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.04 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
pdf of history books	170	$1.57	13/20
history books in pdf	170	$1.57	12/20
history pdf books	170	$1.57	12/20
pdf history books	170	$0	12/20
book of history pdf	170	$0	11/20
pdf history book	170	$1.57	11/20
history book in pdf	170	$0	10/20
history books pdf	170	$0	10/20
free history books pdf	30	$0	17/20
free pdf history books	30	$0	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=history+books+pdf+free&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