I bought this book for a college course taught by the communication sciences and disorders department on augmentative & alternative communication. This book is not the most exciting or engaging read. I have read two and a half chapters so far and I think some chapters include too much information. It seems to include good information and does include some good explanations.
The book came fast and was a great value. I used it for class and it worked well. This was the third edition and the assigned book was a fourth edition, but this didn't matter as it was nearly identical.
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