when was the red book introduced

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the red book introduced	0.68	0.2	2594	23	32
when	0.75	0.6	1307	25	4
was	1.57	0.5	3325	99	3
the	1.11	0.3	9570	38	3
red	1.28	0.9	8124	58	3
book	0.54	0.9	7410	90	4
introduced	0.96	0.6	5848	35	10

Keyword	CPC	PCC	Volume	Score
when was the red book introduced	0.35	0.2	9248	17
what red was book	1.21	0.2	2703	46
when was the little red book published	1.67	0.5	85	24
the red book book	0.1	0.3	9417	69
who wrote the red book	0.29	0.7	2008	47
red red red book	0.43	0.1	8498	29
red book red book	0.89	0.5	7525	3
the red book pdf	0.23	0.2	8485	31
amazon the red book	0.06	0.5	7851	7
the red book pdf download	1.6	0.8	2122	39
the red book pdf free download	0.68	0.7	6317	83
the official red book	1.11	0.4	9473	67
the red book online	0.51	0.9	7620	86
the red book series	0.95	0.4	85	13
the red book pdf english	0.27	0.5	522	37
the red book a reader's edition	0.57	0.5	865	64
red book latest edition	1.9	0.8	2667	32
written in red book	1.14	0.5	8873	61
red history book pdf	1.99	0.1	3863	40