single.php

<?php get_header(); ?>
	<?php if (have_posts()) : while (have_posts()) : the_post(); ?>

    <div <?php post_class() ?>>
			<h2><?php the_title(); ?></h2>
			<div class="date">
				<div class="bg">
							<span><?php the_time('M') ?></span>
							<span class="day"><?php the_time('d') ?></span>
						  <span><?php the_time('Y') ?></span>
				</div>
			</div>

			<div class="entry">
				<?php the_content(); ?>
				<div class="cl">&nbsp;</div>
			</div>

      <div class="meta">
				<div class="bg">
					<span class="comments-num"><?php comments_popup_link('No Comments', '1 Comment', '% Comments') ?></span>
					<p>Posted <!-- by <?php the_author() ?> --> in <?php the_category(', ') ?></p>
				</div>
				<div class="bot">&nbsp;</div>
<?php
  $current_cats = get_the_category();
  $current_category = $current_cats[0]->term_id;
  $category = get_category($current_category);
  $cat_slug = $category->slug;

  if ($cat_slug == "wolves-in-sheeps-clothing" || $cat_slug == "fruit-that-remains") {
    $my_post_type = "chapter";
    $my_category_type = "this booklet";
  }
  else {
    $my_post_type = "post";
    $my_category_type = "this category";
?>
        <div id="post-navigation">
					<div class="nav-previous"><?php previous_post_link('%link', 'Previous ' . $my_post_type . ' in ' .  $my_category_type, TRUE); ?></div>
					<div class="nav-next"><?php next_post_link('%link', 'Next ' . $my_post_type . ' in ' .  $my_category_type, TRUE); ?></div>
				</div>

      </div>
			<?php the_tags( '<p class="tags">Tags: ', ', ', '</p>'); ?>
		</div>
		<?php comments_template(); ?>
	<?php endwhile; else: ?>
		<p>Sorry, no posts matched your criteria.</p>
	<?php endif; ?>
	<?php get_sidebar('single'); ?>
<?php get_footer(); ?>