USA

• Amazon
• Barnes & Noble
• Booksamillion.com
• Booksense [Independent Booksellers]
• Borders [unofficial site/under construction]
• Powell's Books

Canada

• Amazon.ca

• Chapters.indigo.ca

UK (coming June 2008)

• Amazon.co.uk
• Tesco.com

AudiobooK (unabridged, coming June 2008)

• iTunes Store (coming soon)
• Tantor Audio

British Edition