Which animals suck their thumbs?

Firefly & Fern Summary

This charming picture book explores the curious question of which animals in the animal kingdom suck their thumbs, combining playful illustrations with factual curiosity about animal behavior. Children will delight in discovering surprising answers while learning about different animals and their natural habits. A perfect read for young learners who are curious about the world around them and may even be working through their own thumb-sucking habits.