Humble Book Bundle: Terry Pratchett's Discworld by HarperCollins ENCORE
www.humblebundle.com
Experience Sir Terry Practchett’s beloved Discworld series! Get 35+ books covering all corners of this comic fantasy universe and help support Room to Read!

A note: this is not the full series, just a large percentage.

ETA: Requires a Kobo account to redeem; also, US only.