WPMU DEV One Query Multiple Loops

first_loop.php

<?php while ( $query->have_posts() ) : $query->the_post();
		
if ( get_post_type( $post->ID ) == 'book' && $count == 0 ) {
									
  include( locate_template( 'template-parts/loop-frontpage.php' ));
			
	$count++;			
	
}
		
endwhile; // end first loop for books
rewind_posts();

fourth_loop.php

while ( $query->have_posts() ) : $query->the_post(); // start fourth loop for book club

if ( get_post_type( $post->ID ) == 'page' && $post->post_name == 'bookclub' && $count == 3 ) {
				
	include(locate_template( 'template-parts/loop-frontpage.php' ));
	
	$count++;
	
}	

endwhile; // end fourth loop for page
rewind_posts();
?>

include_template_file.php

include(locate_template( 'template-parts/loop-frontpage.php' ));

opening_code.php

  $count = 0; 
	?>

	<section class="blog-posts grid">
    
  </section>

post_class.php

<article id="post-<?php the_ID(); ?>" <?php post_class( 'quarter left' ); ?>>

second_loop.php

while ( $query->have_posts() ) : $query->the_post(); // start second loop for wordpress posts

if ( get_post_type( $post->ID ) == 'post' && in_category( 'wordpress' ) && $count == 1 ) {
	
	include(locate_template( 'template-parts/loop-frontpage.php' ));
	
	$count++;

}

endwhile; // end second loop for wordpress
rewind_posts();

style.css

.quarter {
	width: 23.5%;
  margin: 0 0.5%
}
.left {
  float: left;
}

template_part.php

<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	
	<?php if ( $count == 0 ) {
		$title = 'Books';
	}
	elseif ( $count == 1 ) {
		$title = 'WordPress';
	}
	elseif ( $count == 2 ) {
		$title = 'News';
	}
	elseif ( $count == 3 ) {
		$title = 'Book Club';
	}
	?>
	
	<h2><?php echo $title;?></h2>
		
	<?php if ( has_post_thumbnail() ) { ?>
		<a href="<?php the_permalink(); ?>">
  		<?php
  		the_post_thumbnail( 'grid' );
		?>
		</a>
	<?php } ?>
	
	<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
	<?php the_excerpt(); ?>
	
</article>

third_loop.php

while ( $query->have_posts() ) : $query->the_post(); // start third loop for news posts
	
if ( get_post_type( $post->ID ) == 'post' && in_category( 'news' ) && !in_category( 'wordpress' ) && $count == 2 ) {
	
	include(locate_template( 'template-parts/loop-frontpage.php' ));
	
	$count++;
}	

endwhile; // end third loop for news
rewind_posts();

wp_query.php

$args = array(
	'post_type' => array ( 'book', 'post', 'page' )
);
 
$query = new WP_query ( $args );
if ( $query->have_posts() ) {
 
}

Can you put this altogether in order? I tried following the post – https://wpmudev.com/blog/how-to-use-one-query-to-run-multiple-loops/
However, my loop still seems to be stuck.