Searching Problem

[singboy]

<?
trim($searchterm);
if (!$searchtype || !$searchterm)
{
echo "You have not entered search details. Please go back and try
again.";
exit;
}

$searchtype = addslashes($searchtype);
$searchterm = addslashes($searchterm);
@ $db = mysql_pconnect("localhost", "bookorama", "bookorama");

if (!$db)
{
echo "Error: Could not connect to database. Please try again later.";
exit;
}

mysql_select_db("books");
$query = "select * from books where ".$searchtype." like
'%".$searchterm."%'";
$result = mysql_query($query);
$num_results = mysql_num_rows($result);

echo "<p>Number of books found: ".$num_results."</p>";
....
?>

/
$query = "select from books where ".$searchtype." Like
'%".$searchterm."%'"; */
😕
It shows this part got problem, could anybody help me plzzzz! Thanks

[ereptur]

What's the error that you are getting?

[singboy]

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource on line 33

*this is what it shown in my screen after i run the rest.😕