Notice: Undefined index: isbn in /var/www/jacketimages/thumbnail.php on line 2

Notice: Undefined index: w in /var/www/jacketimages/thumbnail.php on line 6

Notice: Undefined index: h in /var/www/jacketimages/thumbnail.php on line 7

Notice: Undefined index: rc in /var/www/jacketimages/thumbnail.php on line 8

Warning: Division by zero in /var/www/jacketimages/thumbnail.php on line 38

Warning: Division by zero in /var/www/jacketimages/thumbnail.php on line 39

Warning: Cannot modify header information - headers already sent by (output started at /var/www/jacketimages/thumbnail.php:2) in /var/www/jacketimages/thumbnail.php on line 58

Warning: imagecreatetruecolor(): Invalid image dimensions in /var/www/jacketimages/thumbnail.php on line 75

Warning: Division by zero in /var/www/jacketimages/thumbnail.php on line 129

Warning: Division by zero in /var/www/jacketimages/thumbnail.php on line 130

Warning: Cannot modify header information - headers already sent by (output started at /var/www/jacketimages/thumbnail.php:2) in /var/www/jacketimages/thumbnail.php on line 141

Warning: imagecreatetruecolor(): Invalid image dimensions in /var/www/jacketimages/thumbnail.php on line 144

Warning: imagecopyresampled() expects parameter 1 to be resource, bool given in /var/www/jacketimages/thumbnail.php on line 145

Warning: imagejpeg() expects parameter 1 to be resource, bool given in /var/www/jacketimages/thumbnail.php on line 146

Warning: imagedestroy() expects parameter 1 to be resource, bool given in /var/www/jacketimages/thumbnail.php on line 148

Warning: imagedestroy(): supplied resource is not a valid Image resource in /var/www/jacketimages/thumbnail.php on line 149