Great book explaining the word hibernating in very simple words and illustrations for very young children. Very colorful illustrations Children will relate to this story about the season of autumn where they can easily participate in its glory outside, too. This is definitely a child's playbook for toddlers especially. - ITEEA Fall is here! Luke and Lottie are playing outside. They find a hedgehog building a nest in the leaves. They decide to help the little hedgehog get ready for winter. What a nice way to spend a fall day! A cheerful and simple story about the fall. For toddlers ages 30 months and up, with a focus on the child's world. At Clavis, our focus is on what's best for children. We believe that books play an important role in each new phase in life. Our toddler books are tailored for every stage from 0 to 3 and focus on the five most important themes in their life: daily life, skills, emotions, the world, and language development. The age range and theme of every book in our toddler series can be found on the back cover in the form of a colored train.