For many of us, delivering a presentation to a packed house is a daunting prospect. But public speaking is one of the best ways to open career doors or sell your product. If you want to improve your pitch and overcome your fears, the Public Speaking Bundle is definitely worth a look. The bundle includes 21 hours of training from expert speakers, and it’s now just $19 at the PopSci Shop.

Public speaking doesn’t come naturally to everyone. But with practice and preparation, anyone can learn to give great talks. This training provides you with the skills to shine, with top hacks from veteran public speakers.

Through concise video lessons, you learn how to get inside the minds of your audience and prepare the perfect slideshow. You also learn how to structure your thoughts using mind maps, stay calm on stage, and dress for the occasion.

In addition, this training teaches you the art of persuasion. You discover how subtle changes to your script can make a huge difference to the outcome of your pitch.

Order now for $19 to get lifetime access to all the courses, plus free cheat sheets and slideshow templates, worth $639.