This Collection includes the following: Level J Clifford Series Level J Communities & Neighborhoods Level J Curious George Series Level J Favorite Characters Level J Folktales & Fairy Tales Level J Fancy Nancy Series Level J Henry & Mudge Series Level J High Interest Level J Iris & Walter Series Level J Katie Woo Series Level J Katie Woo's Neighborhood Series Level J Mr. Putter & Tabby Series Level J Pedro Series Level J Realistic Fiction Level J Remy & Ruby's Rescue Ranch Level J Young Cam Jansen Series Clifford and Emily Elizabeth love doing activities together and taking care of each other. The "Big, Red Dog" is a beloved and highly recognized character among preschoolers.