Bullfrog Books

In Rocks, beginning readers are introduced to the rock cycle, how sedimentary, metamorphic, and igneous rocks form, where we can find them on Earth, and how people use them in everyday life.… More →

In Police Horses, beginning readers will learn about horses that work with law enforcement officers. Vibrant, full-color photos and carefully leveled text will engage young readers as they… More →

In this book, vibrant, full-color photos, diagrams, and carefully leveled text will engage beginning readers as they learn how earthquakes… A picture diagram details and labels the ste More →

In Beluga Whales, beginning readers will learn about beluga whales as they swim in the ocean. Follow along as belugas swim with their pod and use their melons to hunt fish. Vibrant,… More →

In Beaver Kits in the Wild, beginning readers will learn about baby beavers as they grow up and learn to explore outside of their lodge. Follow along as beaver kits join the colony and learn… More →

In Minerals, beginning readers are introduced to Earth's minerals, where they can be found, and how people use them in everyday life. Vibrant, full-color photos and carefully leveled text… More →

In Rocks, beginning readers are introduced to the rock cycle, how sedimentary, metamorphic, and igneous rocks form, where we can find them on Earth, and how people use them in everyday life.… More →

In Raccoon Cubs in the Wild, beginning readers will learn about baby raccoons as they grow up and leave their den. Follow along as raccoon cubs learn from their moms. Vibrant, full-color… More →

In Fox Kits in the Wild, beginning readers will learn about baby foxes as they grow up and learn to explore outside of their den. Follow along as fox kits join the pack and learn from their… More →

In Therapy Horses, beginning readers will learn about horses that work with people with disabilities and special needs. Vibrant, full-color photos and carefully leveled text will engage young More →

In Rabbit Kits in the Wild, beginning readers will learn about baby rabbits as they grow up and leave their nest. Follow along as rabbit kits learn to leave their nest. Vibrant, full-color… More →

In Humpback Whales, beginning readers will learn about humpback whales as they swim in the ocean. Follow along as humpbacks jump out of the water, create a bubble net to hunt fish, and call… More →