![Breaking the Speech Barrier: Language Developme... [Large Print] 1557663904 Book Cover](https://i.thriftbooks.com/api/imagehandler/l/8B181F871BB4C7BEE06047719498CADFC9AAF45C.jpeg)
In school, but "locked out" 13 youth, each with fewer than 10 productive words to use to build their relationship with families, teachers, and friends. That is, until they were introduced to the System for Augmenting Language, or SAL. In a wonderful meshing of science and the...