Output custom post type in a grid via shortcode in WordPress.

shortcodes.php

<?php

/*
Author: Doug Edgington
Description: Shortcode to output custom post type in a grid
*/
function dee_display_bios() {
	$args = array(
		'post_type' => 'dee_bios',
		'orderby' => 'title',
		'order' => 'ASC',
		'posts_per_page'=> -1,
	);
	
	$dee_bios = new WP_Query( $args );
	if( $dee_bios->have_posts() ):
		$dee_output = '<div id="bios">';
		while ( $dee_bios->have_posts() ) : $dee_bios->the_post();
			if( $dee_bios->current_post == 0 || ( $dee_bios->current_post % 2 ) == 0 ) {
				$dee_output .= '<div class="one-half first">';
				}
			else {
				$dee_output .= '<div class="one-half">';
				}
			$dee_output .= get_the_post_thumbnail( $dee_bios->post->ID, 'bios', array( 'class' => 'alignleft' ) );
			$dee_output .= '<p><strong>' . get_the_title() . ',</strong> ' . get_the_content() . '</p>';
			$dee_output .= '</div><!--end .one-half-->';
		endwhile;
		$dee_output .= '<div class="clear"></div><!--clear all floats-->';
		$dee_output .= '</div><!-- end #bios-->';
	endif;
	
	wp_reset_postdata();
	return $dee_output;
}
add_shortcode( 'dee-bios', 'dee_display_bios' );