<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* - [F]
RewriteRule ^book([0-9]*)/$ book.php?id=$1 [L,QSA]
RewriteRule ^book([0-9]*)$ book.php?id=$1 [L,QSA]
RewriteRule ^com([0-9]*)/$ comes.php?id=$1 [L,QSA]
RewriteRule ^com([0-9]*)$ comes.php?id=$1 [L,QSA]
</IfModule>