R. P. · Robert L. Papp · Robert P.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| God, Can You Hear Me? | 978-0-06-115397-6 | 2007 | Justine Simmons · Rev Run |
| Monkey Trouble | 978-0-8075-5240-7 | 2011 | Gertrude Warner |
| P Is for Princess: A Royal Alphabet | 978-1-58536-306-3 | 2007 | Steven L. Layne · Deborah Dover Layne · Lisa Papp |
| The Amazing Mystery Show | 978-0-8075-0315-7 | 2010 | Gertrude Chandler Warner |
| The Clue in the Recycling Bin | 978-0-8075-1209-8 | 2011 | Gertrude Warner |
| The Cupcake Caper | 978-0-8075-1374-3 | 2010 | Gertrude Chandler Warner |
| The Ghost in the First Row | 978-0-8075-5567-5 | 2007 | " |
| The Great Turkey Heist | 978-0-8075-3051-1 | 2011 | Gertrude Warner |
| The Pumpkin Head Mystery | 978-0-8075-6669-5 | 2010 | Gertrude Chandler Warner |
| The Seattle Puzzle | 978-0-8075-5561-3 | 2007 | " |
| The Secret of the Mask | 978-0-8075-5565-1 | 2007 | " |
| The Spy in the Bleachers | 978-0-8075-7607-6 | 2010 | " |
| The Zombie Project | 978-0-8075-9493-3 | 2011 | Gertrude Warner |
Albert Whitman & Company · HarperCollins · Sleeping Bear Press