Frans X. Plooij

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.


NAPPA (National Parent Product Award), 2017

Books by Frans X. Plooij

  • 9781682684276 72

    The Wonder Weeks: A Stress-Free Guide to Your Baby's Behavior

    Xaviera Plas-Plooij, Frans X. Plooij, Hetty van de Rijt

    6th Edition, Paperback, 2019

    With nearly four million downloads, The Wonder Weeks app is a must-have for every new parent. The revised and updated book, with exclusive material, is the perfect companion or gift.