keyword

5x8 book size

Monthly search volume and cost-per-click data for "5x8 book size" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=5x8+book+size&country=us" +--------------+------------------+ | volume | 110 | | cpc | $0 | | competition | 0.07 | | country | US | | updated | 2026-06-28 | +--------------+------------------+

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
book size	2,900	$6.12	13/20
book sizes	2,900	$6.12	11/20
standard book size	1,900	$8.77	12/20
standard book sizes	1,900	$7.27	12/20
average book size	1,600	$0	10/20
paperback book sizes	590	$0.41	9/20
5x8 book	260	$0.68	14/20
5 x 8 book	90	$0	11/20
5 x 8 book size	70	$0	14/20
5 by 8 book size	40	$0	10/20

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=5x8+book+size&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