In my last post, I wrote that I would like to look for more books for babies. A few days later, I received a thoughtful gift for my son from a friend of mine whom I hadn’t seen for half a year. It was this cute sensory book printed in black, white and a touch of yellow only. What a nice choice! She wasn’t reading my blog, but she knew what I was looking for! On the cover, it was written that “stimoli visivi in bianco e nero (visual stimuli in black and white).” I was curious why, especially because I’d remember reading an article that vivid colours would usually be used for toys and books for toddlers. This is because it takes several months for new-borns to start recognizing different colours, and pastel colours are the last to be recognized. However, I discovered that this book was actually suitable for new-borns who still don’t even see colours. According to another article I found today, illustrations in black and white have high contrast and thus can be recognized by ne...