Evelyn Киркилионис, specialist on biology of behavior of man, from the scientific point of view explains why little children ask on hands and why it is very important and useful to respond to this necessity. She tells that a stay on hands the adult in a certain historical epoch had a vital necessity for kids, and in our time still remains the most favourable condition physical and emotional health of babies. It is evidently shown in a book, that carrying of child on hands upended fully corresponds to his anatomy and physiology, and also is the effective method of prophylaxis and treatment of diseases of thurls.For comfort of carrying of kids on hands in all cultures of the world different tissue adaptations were used since olden times. An author tells about the different carrying from place to place for kids and explains how to distinguish safe adaptations for carrying of children (слинги, ergonomics backpacks) from those that is simply harmful. To the book the review of modern physiology child's carrying from place to place is driven, the rules of their use are explained, the illustrated instructions are given to the most popular winding of слингов.