Viv, Gus, and Cat all want the same things- but can they figure out how to be kind? The ABC Zoo Kids series builds on literacy skills introduced in the ABC See, Hear, Do Learn-to-Read series to help early readers gain confidence in their reading skills. As a Level 1 Reader, pairs with . Once your readers have mastered letter sounds, they can practice blending sounds to form words-and read a complete storybook!