You can do that:
//add reff to query vars to hold the referring page ID
add_filter('query_vars', 'my_query_vars');
function my_query_vars($vars) {
// add movies_view to the valid list of variables
$new_vars = array('reff');
$vars = $new_vars + $vars;
return $vars;
}
then add ?reff=<?php echo $post->ID; ?>
to your “post’s detail” link
and on your “post-detail.php” you can create a back link using that query var
<a href="https://wordpress.stackexchange.com/questions/11575/<?php echo get_permalink(get_query_var("reff')); ?>">Go Back</a>
and as for having several post-pages take a look at: