iBook Lessons is a continuing series about ebook writing and publishing.
Bilingual books have existed for a long time. Bilingual ebooks have also shown a presence in online stores. Adding American Sign Language (ASL) editions to ebooks? That's a proposition that has been hard to accomplish although possible under current EPUB standards.
The reason is that video and text must coexist on the virtual page. That's hard to do with ebooks, and impossible in conventional books. With the iPad and iBooks Author, that challenge has now become possible.
Recently, author Adam Stone published his first ASL/English bilingual ebook. Called
