Keyword Analysis & Research: why do books have blank pages at the end

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do books have blank pages at the end	0.98	1	5290	18	40
why	1.45	1	450	22	3
do	0.53	0.1	1165	47	2
books	0.93	0.8	8290	61	5
have	1.65	0.8	1667	6	4
blank	0.01	0.1	6924	19	5
pages	0.97	0.5	7143	79	5
at	0.58	0.9	1404	56	2
the	0.09	0.4	1763	49	3
end	1.06	0.2	1281	38	3

Keyword	CPC	PCC	Volume	Score
why do books have blank pages at the end	0.97	0.9	7843	76