In The Wonder Weeks, discover the eight critical periods of cognitive growth that every baby experiences within the first 14 months. These “wonder weeks” bring a burst of mental development—and often a stretch of extra fussiness as infants adjust to new abilities.

Inside you’ll find a week-by-week breakdown of when each developmental leap occurs, along with expert tips on the games and toys that best support your baby’s emerging skills. Detailed calendars, charts and checklists make it easy to track progress and anticipate those challenging fussy phases.

Key features include:

• Timelines for all eight wonder weeks
• Age-appropriate activities and play ideas
• Progress charts and milestone checklists

Whether you’re a first-time parent or looking to better understand your little one, this parenting guide offers a clear roadmap through the ups and downs of early development—helping you turn fussy spells into magical leaps forward.

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