Keyword Analysis & Research: why are some books not available on kindle

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are some books not available on kindle	0.37	0.6	8461	31	42
why	1.55	0.2	5369	93	3
are	1.02	0.4	187	98	3
some	0.98	0.6	5364	97	4
books	1.44	0.1	6699	98	5
not	0.61	0.4	3491	42	3
available	0.14	0.9	5045	39	9
on	1.04	0.9	2963	48	2
kindle	1.13	0.9	6991	20	6

Keyword	CPC	PCC	Volume	Score
why are some books not available on kindle	0.23	0.5	9362	3