Products We're Using

We're using this program right now, level 1. My daughter loves it so far.

What is the Difference Between Usooluth Thalaatha and Thalaathatul Usool?

In case you were wondering.....

Usooluth Thalaatha and Thalaatatul Usool are two different books both written by Imam Muhammad bin Abdil Wahhaab.  Usooluth Thalaatha was written for beginners/children......

For a little more clarification (as per a question): The text (matn) of each book is different. Usooluth Thalaatha is a summarized version of Thalaathatul Usool.