All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`deleteBook(BookInfo info)`
`void`	`detachBook(BookInfo info)`
`boolean`	`isBookAttached(BookInfo info)`
`Book`	`readBook(BookInfo info)`
`void`	`saveAll()`
`BookInfo`	`saveBook(BookInfo info, Book book)`
`void`	`shutdownAutoFileSaving()`
`BookInfo`	`updateBook(BookInfo info, Book book)`

Book readBook(BookInfo info)
       throws IOException

BookInfo updateBook(BookInfo info,
                    Book book)
             throws IOException

BookInfo saveBook(BookInfo info,
                  Book book)
           throws IOException

void deleteBook(BookInfo info)
         throws IOException

void saveAll()
      throws IOException

void detachBook(BookInfo info)
         throws IOException

boolean isBookAttached(BookInfo info)

Interface BookManager