NATIONAL BESTSELLER - Learn 100 essential first words with this sturdy board book featuring Ms. Rachel--YouTube phenomenon, household name, and America's favorite teacher! Researched and written by the YouTube phenomenon and educator Ms. Rachel who is loved by millions, this photographic board book with sturdy pages is packed with 100 words for little ones to learn. From mama to dada, these 100 words are intuitive, easy-to-learn, and categorized into colorful sections to aid with learning. Fans of Ms. Rachel will recognize familiar characters and gestures from their favorite videos. Helpful tips and advice in the back of the book on speech development is perfect for caregivers looking to know more about this important milestone in their children's lives. With colorful photographs and fun interactions with Ms. Rachel, babies and toddlers will love reading these words again and again!