For many Japanese Learners, it may be difficult to find the right book to learn Japanese. So in here, I would like to introduce Full of the commonly used books here:
N4&N5 Level
Book Family
Nihongo Challenge Kanji N4-5 BookPDF
Nihongo Challenge Kotoba N4 BookPDF
Nihongo Challenge Bunpo to Yomu N4 BookPDF
Goukaku Dekiru N4 N5-AudioCD
Goukaku Dekiru N4 N5-Book
Tanki Master Drill N5 BookAudioCD
Mimi kara oboeru bunpou N4 BookPDF&AudioCD
Sources:
JLPT Book: N5 JLPT
Fan Page:
https://www.facebook.com/jlptbook/