Exposing children to a diverse range of literary and informational texts, the Core Concepts program helps develop important literacy and cognitive skills necessary to meet many of the Common Core State Standards. Few travel by trains today, but kids regardless are fascinated by the freight train, passenger trains, the conductor, and even the caboose. Terrific Trains mixes both illustrations and photographs to bring the railroad to life! Terrific Trains covers the concepts Transportation and Community Workers & Helpers.