Hasta las rodillas | Up to My Knees! is a cheerful bilingual board book that introduces early math concepts through everyday moments. In this story, a young child is excited to see how a newly planted seed grows—first tiny, then taller, and soon… up to their knees!

With simple, engaging text in both Spanish and English and warm, colorful illustrations by award-winning author Grace Lin, this book gently explores measurement, observation, and growth. Perfect for toddlers and preschoolers, it blends early STEM learning with the joy of discovery!