カセットブックであれば
kasettobukkudeareba
1. If cassette books; When cassette books
Noun
#2167311
1. If cassette books; When cassette books
1. book
1. cassette (tape)
2. game cartridge
1. wealthy; rich
1. cassette tape
1. radio-cassette player
1. There; Behold
1. Was; Existed
1. To be (exists); To have