Sonday System materials and training are provided by the publisher, Imagine Learning.
See below for Imagine Learning's contact information.
The Sonday System is being used all over the world. It’s an Orton Gillingham curriculum designed by Arlene Sonday and Karen Sonday, our owner, to be used in the classroom. The Sonday System offers materials for both regular (Sonday System Essentials) and SPED (LPL, SS1, SS2) classroom settings.
Orton Gillingham Reading Specialists does not sell Sonday System materials or provide Sonday System training. This contact information is provided for your convenience.

Training for Sonday System products is provided by the Sonday System publisher - Imagine Learning.
For information about Sonday System training, go to imaginelearning.com.