Candlewick · Chronicle Books · New Society Publishers · Walker Books Ltd
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| 31 Ways to Change the World | 978-0-7636-4506-9 | 2010 |
| Change the World for Ten Bucks: 50 Actions to Change the World | 978-1-55092-300-1 | 2006 |
| Change the World for Ten Bucks: small actions x lots of people = big change | 978-0-8118-6801-3 | 2009 |
| Change the World in Five Minutes | 978-1-4063-2715-1 | 2010 |
| Teach Your Granny to Text | 978-1-4063-2071-8 | 2008 |