Introduces young readers to pie charts, Venn diagrams, bar graphs, and more as two friends, a lizard and a frog, go through the process of figuring out simple equations, in an illustrated math guide from the author of Subtraction Action. Reprint.

Loreen Leedy has written and illustrated more than thirty books for children. Her innovative books include Seeing Symmetry, which The Horn Book called "excellent," and The Great Graph Contest, which School Library Journal called "exciting and energetic" in a starred review. She lives in Florida.

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