Decodable Book Set Sale: Use Code DECODABLES26-20 for 20% Off Select Book Sets & Bundles

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*Offer valid on purchases made between August 3 and September 30, 2026 (11:59 p.m. PT). Cannot be combined with any other offers, promotions, or discounts. Promotions and discount codes apply to eligible items only and do not apply to taxes, shipping, or additional fees. Not valid on prior purchases. Single books and K–2 complete bundles are excluded from this promotion.

Each of our products is based on and backed by systematic research. Our literacy team looks at the latest scientific studies and analyses to make informed curriculum decisions and develop resources that address the needs of teachers and students. 



 

Summary of Research for MyCodables and InfoCodables [PDF]

 

 

 

 

Summary of Research for In Tandem [PDF]

 

Alignment of In Tandem to Scarborough's Rope [PDF]

 

 

Summary of Research for Phonics Launch [PDF]





 

Summary of Research for Stepping Together [PDF]

Alignment of Stepping Together to Scarborough's Rope [PDF]






Alignment of Stepping Together + In Tandem to Scarborough's Rope [PDF]



 

Summary of Research for Literacy Footprints Guided Reading [PDF] 



  

 

Summary of Research for Digital Reader [PDF]