Two friends competing to determine which is better?trucks or dinosaurs?find that ?the best? depends on what measurement they take. Ava loves building sandpiles with her toy trucks. Levin enjoys climbing the sandpiles with his toy dinosaurs. Both friends are convinced their toys are the best. But when they start directly comparing Ava's trucks and Levin's dinosaurs, they find that ?the best? depends on which measurement they take. In Math All Around, narrative-driven stories introduce foundational math concepts to young readers in creative ways. Each title combines an interesting story with an important math concept from the Common Core curriculum, while simple language helps build readers' confidence in reading. AGES: 5 to 7 AUTHOR: Rebecca J. Allen writes middle-grade stories that blend mystery and adventure, and young adult stories with kick-butt heroines. She is the author of two STEM superhero adventures-Cole Champion Is Not Super and Cole Champion Takes on the Villains-as well the nonfiction book, Earning an Income. She lives in New Hampshire with her husband, two kids, and Emmy the cat. When not writing, Rebecca likes to hike, bike, watch spy thrillers, and grow yummy things in her garden. You can find out more about her books at RebeccaJAllen.com. She's also on Twitter and Instagram as @RebeccaJ_Allen. Hardcover Reinforced Library Binding