Actually, Jasmine, I would recommend delaying your giveaway; next Monday is too late to create anything with real traction, unless you already have a huge following. (And if you did, I'm guessing you wouldn't be asking.)
Just do a soft launch right now and personally talk up the book to your friendly contacts -- people who will read it and give you useful feedback. You may come to learn there are areas in need of improvement, as well as pesky typos that got missed despite ten rounds of proofreading. This will allow you to iron these out and upload a revised file before your "real" launch.
As for when that should be, it's a tough call. Next month is still quite early to build a buzz, but the summer is generally a bad time to launch something like this. People don't want to read serious stuff in the summer, not to mention being preoccupied with vacation, kids off school, outdoor activities, etc. For this reason, and I know you're going to hate hearing this, I recommend your official launch be in September or October.
The reason you want such a lead time (though if it weren't summer, I'd say 90 days) is because you want to set up and conduct teleseminars, webinars, in-person teaching, guest blogging, article contribution, share a teaser chapter, etc. These things take time to create and promote. The goal is to get a LOT of eyes on your Amazon listing on that free launch day... so these methods will help with that.
Now, if you have your reasons and insist on next Monday, you can do these things after the fact. Just realize that it'll be hard to create a big bang on Monday. As David Thalberg pointed out, you'll really need to work your list and social media; there's practically no other option with only a few days left.
Oh, and remember to build your Amazon Author Central page (authorcentral.amazon.com
). This is often overlooked, but it's a great thing to develop over time. Having it establishes you as a more serious author and gives you another spot in the Amazon "ecosystem." Google for tons of info on how to best work it as a promotional tool.
Congrats, and no matter what, have fun with it!