The authors offer a technic for the correction of all faulty types of mutilation of speech from faulty articulation and persistent baby talk to profound stuttering, with provision for cases of difficulty in speech from local deformation of the organs of speech as well as from deafness and foreign accent, for the improvement of the general output of speech and for the treatment of persistent allied disorders such as tics, gestures and a large variety of other peculiarities.
Most of the book consists of material for the training of speech, said to be arranged so that each new sound (the sounds being divided into continuants and stops) is introduced in proper relation to sounds already learned, and no new sound appears in the exercises until the teaching and learning of previous sounds have been accomplished.
This system of speech correction is based on the conception of the production of speech