ISBN-13: 9781683680307 / Angielski / Miękka / 2017 / 42 str.
This book is especially made for but not limited to deaf and mute children all over the world. Aiming to improve communication skills, this workbook contains sign language lessons that are made easier to understand and learn. This will come in handy not only for these kids with deficiencies but to the people around them as well. You can download a copy of it here.