Bobbie Kalman

Describes the development of the railroad in North America and its influence on the settling of the West during the nineteenth century.

Describes the various stages of a monarch butterfly's life, from egg to pupa to caterpillar to butterfly, as well as its migration and dangers that it faces.

Describes the physical characteristics, behavior, life cycle, and natural environment of honeybees.

Describes how snakes develop from eggs to adults, why they hibernate, the differences between poisonous and non-poisonous species, how snakes capture prey, and how individuals can protect them.