keyword

campbell biology 9th edition audiobook

Monthly search volume and cost-per-click data for "campbell biology 9th edition audiobook" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=campbell+biology+9th+edition+audiobook&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0.33 | | competition | 1 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
biology 9th edition campbell	260	$0.35	9/20
campbell biology 9th ed	260	$1.45	8/20
campbell biology 9th edition	260	$0.35	7/20
biology by campbell 9th edition	260	$1.45	5/20
campbell biology 9th edition authors	260	$1.45	5/20
campbell biology ninth edition	40	$0.49	9/20
ap edition campbell biology 9th edition	40	$0.61	7/20
campbell ap biology 9th edition	40	$0.61	6/20
campbell biology 9th edition ap	40	$0.22	6/20
ap biology campbell 9th edition	40	$0.61	5/20

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=campbell+biology+9th+edition+audiobook&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