True adventures of an orphaned bison calf raised by a park caretaker and his family. Learn how Nickel got his name and why he lost his horns in this hilarious, warm story about the friendly bison. Vivid watercolor illustrations and interactive website with thematic teachers guide make this book perfect for classroom or campfire.True adventures of an orphaned bison calf raised by a park caretaker and his family. Learn how Nickel got his name and why he lost his horns in this hilarious, warm story about the friendly bison. Vivid watercolor illustrations and interactive website with thematic teachers guide make this book perfect for classroom or campfire.