Bilingual Discover Series Books for Babies & Toddlers: Heavy Equipment Get ready for some rough and tumble trucks! In this Discover Series title, 28 tractors, excavators, forklifts and more are featured in big, colorful photographs on white backgrounds. Each page features a photograph of the truck with a simple title beneath. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new images, words, and concepts to kids. In this Xist Kids English Spanish Bilingual Edition, the original English text is paired with the Spanish translation on each page.