Frans Plooij

• Harika Haftalar
• The wonder weeks
• Las Semanas Magicas
• The Wonder Weeks How to Stimulate Your Babys Mental Development and Help Him Turn His 10 Predictable Great Fussy Phases Into Magical Leaps Forward
• As Semanas Magicas
• Oei, ik groei!
• The Wonder Weeks Milestone Guide
• Vidunderlige uger
• 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
• Why They Cry