Storytown ebook:
Harcourt Storytown Reader
Reading Online Practice:
https://www.myon.com/login/index.html
http://www.magickeys.com/books/
http://www.indypl.org/readytoread/?p=6150
http://www.read.gov/kids/
http://www.freechildrenstories.com/
http://magicblox.com/
http://sni.scholastic.com/SN2/
http://justbooksreadaloud.com