Whether you're set to give the toast at your best friend's wedding or a presentation at work, you'll be relying on those public speaking lessons you slept through during high school. Scary thought, right? Thankfully, the Public Speaking Bundle is loaded with hacks, tips, and techniques that will get you speaking more naturally and with confidence, and it's on sale today for $19. Comprised of four comprehensive courses, this collection tackles the skills and techniques you'll need to properly prepare a speech, deliver it, and handle the Q&A that follows. You'll explore the art of persuasion and how to drive people to action, and you'll learn about mind mapping and how it can be used to give speeches without relying on tons of notecards. The Public Speaking Bundle retails for $639, but it's on sale in the Boing Boing store for $19, more than 90% off the usual price.