Bullfrog Books

Do you know what the Jaguar logo looks like? In Jaguar, beginning readers learn about this car brand, when and where the cars were first made, what its logo is, and some of its most notable… More →

In Shetland Ponies, beginning readers will learn about the physical features, characteristics, and common duties of Shetland ponies. Vibrant, full-color photos and carefully leveled text will More →

In American Paint Horses, beginning readers will learn about the physical features, characteristics, and common duties of American paint horses. Vibrant, full-color photos and carefully… More →

Vroom! introduces early readers to fast and flashy sports cars they may already know and love or that they want to learn more about. Each title introduces a luxury vehicle and details its… More →

Did you know some Corvettes race? Or that they're made in Kentucky? In Corvette, beginning readers learn about this car brand, when and where the cars were first made, what its logo… More →

What is density? How does it affect whether an object sinks or floats? In Density, beginning readers learn how particles play a role in comparing the density of different objects. Vibrant,… More →

What is mass? How can we measure it? In Mass, beginning readers learn about mass and matter and how they apply to their everyday lives. Vibrant, full-color photos and simple diagrams… More →

A small dinosaur catches prey with its long, sharp claws. What is this creature? It is a velociraptor! In Velociraptor, readers learn all about this dinosaur's appearance, behavior, and how… More →

Did you know that many Ferraris are red? Do you know what the Ferrari logo is? In Ferrari, beginning readers learn about this car brand, when and where the cars were first made, what its logo More →

In Clydesdale Horses, beginning readers will learn about the physical features, characteristics, and common duties of Clydesdale horses. Vibrant, full-color photos and carefully leveled text… More →

A massive marine reptile lifts its head from the dark water. What is this creature? It is a plesiosaur! In Plesiosaur, readers learn all about this reptile's appearance, behavior, and how it… More →

Giddyup! Discover the physical features, characteristics, and common duties of your favorite horse breeds. Each book highlights the breed's features with a labeled diagram, and a picture… More →