Hide and seek with Gengar! The series is the work of Professor Kazuo Kai of the University of Tokyo, who specializes in infant research. Like the first book, “Pikapika Tocotoco,” this book is filled with features that babies will find engaging.
Hide and seek with Gengar! The series is the work of Professor Kazuo Kai of the University of Tokyo, who specializes in infant research. Like the first book, “Pikapika Tocotoco,” this book is filled with features that babies will find engaging.