If you plan to do a lot of WP development you should bookmark this page: http://codex.wordpress.org/Conditional_Tags The other answer works but the conditional relies upon your page slug (myurl.com/this-is-the-slug) never changing. A more reliable method (IMO), and one that fits this case, would be to use the is_page_template(‘example-template.php’) conditional check instead.
I found an other way that works well for me: When initializing the plugin, do not enqueue your scripts and styles, but register them with wp_register_style and wp_register_script. Next you can load the script/style on demand. For example when you render a shortcode with wp_enqueue_style(“your_style”) and wp_enqueue_script(“your_script”). Here is an example plugin using this method … Read more
Here you are: get_post_type() and then if ( ‘book’ == get_post_type() ) … as per Conditional Tags > A Post Type in Codex.