* Calendar Mysteries #01: January Joker (A Stepping Stone Book)
* Calendar Mysteries #02: February Friend (A Stepping Stone Book)
* Calendar Mysteries #03: March Mischief (A Stepping Stone Book)
* Calendar Mysteries #04: April Adventure (A Stepping Stone Book)
* Calendar Mysteries #05: May Magic (A Stepping Stone Book)
* Calendar Mysteries #06: June Jam (A Stepping Stone Book)
* Calendar Mysteries #07: July Jitters (A Stepping Stone Book)
* Calendar Mysteries #08: August Acrobat (A Stepping Stone Book)
* Calendar Mysteries #09: September Sneakers (A Stepping Stone Book)
* Calendar Mysteries #10: October Ogre (A Stepping Stone Book)
* Calendar Mysteries #11: November Night (A Stepping Stone Book)
* Calendar Mysteries #12: December Dog (A Stepping Stone Book)
* Calendar Mysteries #13: New Year's Eve Thieves (A Stepping Stone Book)