Better yet, these phases occur on similar schedules for most babies-as explained and mapped out in this book-so parents can anticipate the "stormy weeks" that precede the "sunny weeks." Based on decades of research, this fully revised sixth edition covers the first 20 months of a baby's life and includes:

• The top 10 things to know and remember about a leap
• Fun games to support brain development
• Fill-in-the-blank checklists to help better understand personality and behavior traits
• Science-based explanations about sleep
• Fresh insight and recent commentary from new parents who've used The Wonder Weeks
• Anchor moments to keep new parents sane, especially when they are exhausted and discouraged

With 2 million+ books sold, and 4 million+ downloads of the corresponding app, The Wonder Weeks has struck a chord. Join the phenomenon that has been embraced by celebrities, social media influencers, and parents worldwide.