| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| The Happy Book | 978-1-4022-2652-6 | 2009 | Meg Leder |
| The Happy Book Sticky Notes: 101 Creative and Quirky Pick-Me-Ups | 978-1-4022-7070-3 | 2012 | " |
| The Secret Me Book | 978-1-4022-6570-9 | 2012 | " |
| The You and Me Book: A Love Journal | 978-1-4022-7229-5 | 2012 | " |