Jill Spivack Volgorde van de boeken

Rady pro rodiče, jak mohou své děti naučit klidnému a nepřerušovanému spánku po celou noc.

Psychotherapists and sleep specialists Jennifer and Jill present their method for getting young children to sleep. There are sections devoted to each stage of baby and toddler development, with step-by-step instructions and plenty of emotional support.