When I was pregnant with Livi, we went to a couple of childbirth and baby care classes. During one class they mentioned baby sign language. I found the idea interesting but was not convinced. They recommended to start teaching at around 6 months.
Enter Livi at 6 months old; we were still in full blown survival mode and I had more pressing issues on my mind than baby sign language.
When Livi was about 1 year old, we came across a board book called Baby Signs. I liked the idea of using a board book to teach the signs and Livi seemed interested in the pictures, so we bought it.