This book is a complimentary addition and extra learning material and various exercises to be used along with three of my apps. All the apps are sound annotated - visual and other multimedia material.This book develops the following skills in Hebrew; Reading in Hebrew, Writing in Hebrew and colors in Hebrew. The apps to be used with this book are: 1. Hebrew Alphabet.https://www.amazon.com/Sonia-Pratt-Tintarev-Hebrew-Alphabet/dp/B01ADT45EE/ref=sr_1_1?keywords=sonia+pratt-tintarev&qid=15