Alphabet Series Readers (from Recipe for Reading) - click here for brochure including scope and sequence
Core Knowledge Readers - these readers are part of the Skills Strand of the Language Arts program of the Core Knowledge Curriculum. They are available for FREE download here (look for the reader in each grade/unit). Printed copies are available only for purchase in the U.S.
High Noon Books offers a selection of phonics-based chapter books.
Readinga-z.com offers short, downloadable, decodable readers. Membership subscription. A free 14 day trial is available.
Emily Gibbons decodable reading passages (5 levels) - available on Teachers Pay Teachers. One page decodable passages. Scope and sequence is provided at the beginning of each level.
Hill Readers - are a series of 13 phonetically controlled, decodable texts that are designed to complement the Hill Reading Achievement Program (HillRAP); they can be used independently or also to supplement any Orton-Gillingham influenced reading program. Comprehension questions are included. Purchase from Amazon.ca.