United Mind and Enduring Edge are available in the U.S. and internationally on Amazon through the links below. The books are also available everywhere books are sold (such as Bookshop.org, Barnes & Noble, Books-a-Million, Porchlight Books and Hudson Booksellers in the U.S. and through booksellers globally).

US: Amazon.com
UK: Amazon.co.uk
Canada: Amazon.ca
India: Amazon.in
Australia: Amazon.com.au
Brazil: Amazon.com.br
France: Amazon.fr
Germany: Amazon.de
Italy: Amazon.it
Japan: Amazon.co.jp
Netherlands: Amazon.nl
Spain: Amazon.es