Variable Cross Reference

$book_id

• /modules/book/book.module -> line 192
• /modules/book/book-all-books-block.tpl.php -> line 18

• /modules/book/book.module -> line 192
• /modules/book/book.module -> line 196
• /modules/book/book.module -> line 203
• /modules/book/book-all-books-block.tpl.php -> line 18
• /modules/book/book-all-books-block.tpl.php -> line 19
• /modules/book/book-navigation.tpl.php -> line 34