Xaviera Plas is a columnist, writer, and speaker. CEO of the Wonder Weeks, she is the daughter of Dr. Frans X. Plooij and Dr. Hetty van de Rijt, authors of The Wonder Weeks. Frans X. Plooij is the director of the International Research Institute on Infant Studies at Arnhem, the Netherlands, and is a member of the New York Academy of Sciences. The late Hetty van de Rijt, PhD, studied infant development at the University of Amsterdam from 1986 to 1990, observing babies in their home environment.
"""…a wonderful guide to explain each learning “leap”, so you can identify why your baby may be unsettled, and support their development."" -- 3 of the best parenting books - Mother and Baby"