Welcome to your child's brain : how the mind grows from conception to college

"How children think is one of the most enduring mysteries--and difficulties--of parenthood. The marketplace is full of gadgets and tools that claim to make your child smarter, happier, or learn languages faster, all built on the premise that manufacturers know something about your child's brain that you don't. These products are easy to sell, because good information about how children's minds really work is hard to come by. In their new book, ne...