Beginner
Japanese for Busy People, Revised 4th Edition　
by Association for Japanese-Language Teaching :
Kodansha USA Publishing
GENKI
by Eri Banno, Yoko Ikeda, Yutaka Ohno, Chikako Shinagawa, Kyoko Tokashiki : The Japan Times Publishing
TOBIRA Beginning Japanese
by Mayumi Oka, Junko Kondo, Michio Tsutsui, Yuta Mori, Tomoko Okuno, Yoshimi Sakakibara, Ayaka Sogabe, Masae Yasuda : Kuroshio Publishers
MARUGOTO
by The Japan Foundation : SANSHUSHA Publishing Co., Ltd.
JAPANESE FROM ZERO!
by George Trombley and Yukari Takenaka