Frans X. Plooij has written at least 5 books. Their most popular book is The Wonder Weeks: How to Stimulate Your Baby's Mental Development and Help Him Turn His 10 Predictable, Great, Fussy Phases Into Magical Leaps Forward with 3 saves with an average rating of -⭐.
 The Wonder Weeks The Wonder Weeks: How to Stimulate Your Baby's Mental Development and Help Him Turn His 10 Predictable, Great, Fussy Phases Into Magical Leaps Forward
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 Oje, ich wachse! Oje, ich wachse!: Von den 10 "Sprüngen" in der mentalen Entwicklung Ihres Kindes während der ersten 20 Monate und wie Sie damit umgehen können - Großes Kapitel Ein- und Durchschlafen
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 Oei, ik groei!: de tien sprongen in de mentale ontwikkeling van je baby
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 The Wonder Weeks
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 Oje, ich wachse!
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