Basic Parenting BibleIt is a super-sized best-seller that has maintained the number one position in the Amazonian child care division in Germany for many years, with more than 400,000 copies sold since its publication. "Basic Parenting Bible" is the most famous pediatrician in Germany, This book is based on extensive data from long-term surveys while studying child development. A total of nine themes including relationship behavior, athletic ability, sleep, crying, play behavior, language development, nutritional development and eating habits, growth development, and feces were examined for children from gestation to 48 months Each month, we will explain in detail the extent to which childrens growth and development progress from 0 to 48 months, and how children behave differently. And that childcare begins when I know that my child is different from my neighbors child. Since its first publication, the book has gained a good reputation among professionals such as parents, pediatricians, majors, and childcare workers.