| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| A Winter's Tail | 978-0-547-58519-2 | 2011 | |
| Farm Dog Martha | 978-0-547-21060-5 | 2010 | |
| Martha Speaks: Haunted House | 978-0-547-21073-5 | 2010 | |
| Martha Stinks! | 978-0-544-09662-2 | 2013 | |
| Meet Martha | 978-0-547-21079-7 | 2010 | |
| Meet Martha / Conoce a Martha | 978-0-544-43513-1 | 2015 | |
| Pool Party | 978-0-547-43882-5 | 2011 | Susan Meddaugh · Melissa Stephenson · Raye Lankford |
| Thief of Hearts | 978-0-547-37162-7 | 2011 | Susan Meddaugh · Susan Kim · Ken Scarborough |