A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/Books.php

Line Number: 100

Backtrace:

File: /home/sultanchand/m.sultan-chand.com/application/controllers/Books.php
Line: 100
Function: _error_handler

File: /home/sultanchand/m.sultan-chand.com/index.php
Line: 315
Function: require_once

Computers: Gateway to Digital World - ICSE 1

Computers: Gateway to Digital World - ICSE 1

Board: ICSE
Class: 1
Subject: Computer Science
Language: English
₹ 103.50 ₹ 115.00