Thanks for posting this. Plenty of good books listed for the promo; nice mix of classics and current popular YA titles and DRM-free once you've got the mp3s downloaded.
And they've gone and listed the geo-restrictions on particular titles at the bottom of the
dedicated download/help page here.
Most are available for download worldwide, some are US/dependencies plus Canada and/or EU/UK only.
Copy-paste:
The Angel Experiment—United States (& dependencies), Philippines, Canada
Frankenstein—World
Over the End Line—World
The Power of One—World
Bloody Jack—World (excluding the UK)
Treasure Island—World
The Looking Glass Wars—US & dependencies, Philippines, Canada, UK, EU, British Commonwealth
Alice's Adventures in Wonderland—World
The Hunger Games—World
The Lottery—US, Canada
Does My Head Look Big in This?—World
A Tree Grows in Brooklyn—USCOM (US, Can Open Market)
Wondrous Strange—USCOM (US, Can Open Market)
A Midsummer Night's Dream—World
Handbook for Boys—World
Oliver Twist—US, Canada