Decodable Readers from Miss Emma, Speech Sound Pics (SSP) Approach, developed in Australia. Teaching children to read and spell using a Speech to Print Approach.
This web site lists free decodable readers, printable phonics books that allow students to easily decode text with fluency, and focus on comprehension. 

Free Phonics Readers
Download free decodable readers, find phonics books that support the blending of high frequency graphemes taught within a systematic phonics programme. 

This is the Speech Sound Pics (SSP) Approach high frequency grapheme teaching order.
SSP is a Speech to Print
Approach to teaching reading and spelling. 

SpeechSoundPics.com

These may not fully align with Miss Emma's SSP but are recommended. 

Free Decodable Readers, Download and Print from these web sites!
Recommended web sites offering free decodable readers (thank you)
https://www.readinga-z.com/books/decodable-books/
http://www.speld-sa.org.au/services/phonic-books.html
https://www.oxfordowl.co.uk/for-home/starting-school/free-ebooks/
http://www.funphonics.com/index.php/books/downloads
Download all books as a zip file
http://www.freereading.net/wiki/Illustrated_Decodable_fiction_passages.html