Essential books for learning/practicing Japanese

The list author says:
	"(A great deal better than Japanese for busy people series) Immerse yourself easily and at your own pace in beginner to lower intermediate Japanese, start learning essential kanji as well"

The list author says:
	"If you want a more comprehensive explanation of lessons, grammer, notes from Minna no nihongo bk.1"

The list author says:
	"A great way for people who have mastered basic Japanese to teach themselves more complex verb patterns/kanji and grammar, ideal for people finishing bk.1"

The list author says:
	"A good book for beginners but not as useful for teaching yourself Japanese as Minna no Nihongo series, doesn't explain grammer, verb patterns or scenarios as comprehensively"