seodata.dev

keyword

campbell biology used book

Monthly search volume and cost-per-click data for "campbell biology used book" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=campbell+biology+used+book&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0.53 | | competition | 1 | | country | US | | updated | 2026-06-08 | +--------------+------------------+
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
campbell biology 4,400 $1.09 6/20
biology by campbell 4,400 $0.71 3/20
campbell's biology 4,400 $1.09 3/20
campbell biology 12th edition 2,900 $1.39 4/20
biology campbell 11th edition 1,300 $1.38 4/20
biology book campbell 880 $0.9 3/20
campbell biology textbooks 880 $0.9 3/20
campbell 11th edition 720 $0.6 3/20
campbell biology used 40 $0.53 12/20
campbell biology 11th edition used 30 $0 4/20

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+used+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