Bilingual Discover Series Books for Babies & Toddlers: Gems Did you have a rock collection as a child? Would you like to encourage an interest in the natural world in your kids? Discover rocks, minerals and shiny stones in this book of gems. Each page features one gemstone or mineral and 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 babies and toddlers. In this Xist Kids English Spanish Bilingual Edition, the original English text is paired with the Spanish translation on each page