The following characters are introduced in the Adventures in Japanese textbook series, but are NOT included in the list of kanji that College Board recommends that students learn for the AP exam.
Adventures in Japanese 2
Chapter
Kanji
II - 4

II - 6

II - 7

II - 9

II - 10

II - 13

II - 15


Adventures in Japanese 3
Chapter
Kanji
III - 1

III - 3

III - 4

III - 7

III - 8

III - 8

III - 9


Adventures in Japanese 4
Chapter
Kanji
IV - 1

IV - 1

IV - 1

IV - 2

IV - 2

IV - 3

IV - 3

IV - 3

IV - 4

IV - 4

IV - 6

IV - 6

IV - 6

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 7

IV - 8

IV - 8

IV - 8

IV - 8

IV - 8

IV - 8

IV - 8

IV - 8

IV - 9

IV - 9

IV - 9