A PHP Error was encountered
Severity: Warning
Message: Undefined variable $cat_id
Filename: views/book-detail.php
Line Number: 351
Backtrace:
File: /home1/zenoprl8/public_html/application/views/book-detail.php
Line: 351
Function: _error_handler
File: /home1/zenoprl8/public_html/application/controllers/Book.php
Line: 168
Function: view
File: /home1/zenoprl8/public_html/index.php
Line: 315
Function: require_once