Keyword
volume (of a book)
Info
FrequencyTop 1700-1800
Type
Kyōiku (6th grade) 
?
KankenLevel 5
Heisig1967
Readings
さつ
(77%)
さっ
(11%)
ざく
(5%)
さく
(1%)
Used in kanji (12 in total)
argument
ring
moral principles
palisade
Used in vocabulary (31 in total)
one copy (of a book, magazine, etc.); one volume
counter for books; volume
book; booklet; story book; pamphlet; notebook
Examples (150 in total)
He disappeared with only a math textbook and one notebook.
But in literature class, I have to read one book a month.
Moreover, it seems there are several books.