ABSTRACT
The problem with learning to read can be expressed quite simply: https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315042510/c8b80736-a2c4-4730-8977-7344bb7618be/content/figu3_1_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
