| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Big Brother Piggley | 978-1-4169-2819-5 | 2007 | Jodi Huelin |
| Ferny Gets a Crush | 978-1-4169-0384-0 | 2006 | " |
| Mind Your Manners | 978-1-4169-4715-8 | 2007 | Tom Mason · Dan Danko |
| Piggley Helps Out | 978-0-689-87614-1 | 2006 | Alison Inches |
| Piggley Makes a Friend | 978-1-4169-3581-0 | 2007 | Wendy Wax |
| Piggley Makes a Pie | 978-0-689-87613-4 | 2006 | " |
| Piggley's Pals | 978-0-689-87617-2 | 2006 | Justin Spelvin |
| Piggley's Tough Break | 978-1-4169-4770-7 | 2008 | Jodi Huelin |
| Piggley's Treasure Hunt | 978-0-689-87612-7 | 2007 | Catherine Lukas |
| Sheep on the Loose | 978-1-4169-3819-4 | 2010 | Jodi Huelin |
| Spooky Storytellers | 978-0-689-87712-4 | 2006 | Nancy Parent |
| The Lost Shamrock | 978-1-4169-4067-8 | 2007 | Alison Inches |
| Time for Bed | 978-0-689-87737-7 | 2006 | Laura Driscoll |
| What's Hatching? | 978-0-689-87861-9 | 2008 | Catherine Lukas |