Deal pricing and availability subject to change after time of publication. TL;DR: The All-in-One American Sign Language Bundle is on sale for £16.04, saving you 80% on list price.

American Sign Language is both a spatial and visual language, meaning it uses both hemispheres of the brain. Even for something as simple as pauses, different brain functions are necessary to best ...

Dorothy Casterline, who as a young researcher at Gallaudet University in the early 1960s helped write the first comprehensive dictionary of American Sign Language, a book that revolutionized the ...