A reference book for ages 1–3

The toddler years, explained

Sleep regressions, tantrums, first sentences, nap math — whatever your toddler is doing this week, there's an entry for it. Written by an early-childhood educator and mom, so you can look it up, take a breath, and know what to do next.

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18 Month Sleep Regression: Signs, Causes & What to Do

Ages 15–21 months

What the 18 month sleep regression is, why it hits so hard, how long it typically lasts, and the calm, consistent steps that get everyone sleeping again.

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Table of contents

Look it up by topic

01
Sleep
Toddler sleep from 12 to 36 months — regressions, nap transitions, bedtime battles, early rising, and the move from crib to big-kid bed.
02
Behavior & Tantrums
Why toddlers melt down, hit, bite and refuse — what's developmentally normal at each age, plus calm scripts for the hardest moments.
03
Development & Speech
Milestones and language, age by age — what most toddlers do when, what's within the normal range, and when to check in with your pediatrician.
04
Schedules by Age
Realistic daily schedules from 12 months to age three — wake windows, nap timing, meals and play, with a template for every age in between.
05
Eating
Picky phases, thrown plates, milk math and tiny appetites — what toddler eating really looks like and how to keep mealtimes low-drama.