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# We use a lot of PM readers, is there is a PLD to PM reading level correlation available?


| https://pld-literacy.org/what-are-plds-decodable-readers/

PLD’s decodable reading books have been specifically chosen by Diana Rigg as they align with PLD’s structured synthetic phonics approach (SSP). What does this mean? This blog has been fully updated [HERE](https://pld-literacy.org/what-are-plds-decodable-readers/).