Bullfrog Books

In Tree Frogs, early readers will learn how tree frogs mate and how their color helps them stay safe. Vibrant, full-color photos and carefully leveled text will engage emergent readers as… More →

In Gorillas, early readers will learn how a troop of gorillas spends the day in the rain forest. Vibrant, full-color photos and carefully leveled text will engage emergent readers as they… More →

In Moths, early readers will learn about the life cycle of a moth and discover how the insect's color helps it hide. Vibrant, full-color photos and carefully leveled text will engage emergent More →

As kids go back to school in fall, weather and activities are changing around them. Why do the leaves fall? Do animals have to get ready for winter too? This series answers kids’ questions… More →

Insects are the most numerous and diverse animal class on Earth, with over 1 million species identified. Each type is adapted to its surroundings with unique behavior and body parts. Start… More →

In Weather in Fall, early readers will learn how the weather changes during the fall season. Vibrant, full-color photos and carefully leveled text will engage early readers as they discover… More →

In Firefighters, emergent readers will learn how firefighters put out fires and keep people safe. Vibrant, full-color photos and carefully leveled text will engage early readers as they… More →

In Apples in Fall, emergent readers will learn how apples grow. Vibrant, full-color photos and carefully leveled text will engage young readers as they discover the foods people make with… More →

In Purple, young readers will learn about the different foods, insects, and rocks that are purple. Vibrant, full-color photos and carefully leveled text will engage early readers as they… More →

In Beetles, young readers will learn to identify different types of beetles. Vibrant, full-color photos and carefully leveled text will engage early readers as they discover what different… More →

In Ships, emergent readers will learn about the different types of ships. Vibrant, full-color photos and carefully leveled text will engage early readers as they discover how ships are used… More →

In Penguins, emergent readers will learn how penguins live in the wild. Vibrant, full-color photos and carefully leveled text will engage early readers as they discover how penguins are… More →