book collection; library (personal/institutional)
Refers to a collection of books owned by a person, library, or institution. Often used in formal or written contexts.
彼の蔵書は一万冊を超える。
His personal library exceeds 10,000 volumes.
He buys books every month, adding to his collection.
図書館の蔵書検索が便利になった。
The library's collection search has become more convenient.
I organized my book collection when I moved.
This library has an extensive collection of books.
After retiring, he decided to get rid of his book collection.
図書館 refers to the library building or institution itself, while 蔵書 refers to the collection of books it holds.
書庫 is the physical storage room or stacks where books are kept, while 蔵書 refers to the collection of books itself.
Compound of 蔵 (storehouse) and 書 (book/writing), literally 'stored books'.