ABOFF, Marcie . If You Were an Even Number illus. by Sarah Dillard. ISBN 978-1-4048-4796-5 ; ISBN 978-1-4048-4797-2 . LC 2008006454. ABOFF, Marcie . If You Were an Odd Number illus. by Sarah Dillard. ISBN 978-1-4048-4793-4 ; ISBN 978-1-4048-4794-1 . LC 2008006455. SHASKAN, Trisha Speed . If You Were a Fraction illus. by Francesca Carabelli. ISBN 978-1-4048-4790-3 ; ISBN 978-1-4048-4791-0 . LC 2008006456. SHASKAN, Trisha Speed . If You Were a Minus Sign illus. by Francesca Carabelli. ISBN 978-1-4048-4787-3 ; ISBN 978-1-4048-4788-0 . LC 2008006457. SHASKAN, Trisha Speed . If You Were a Plus Sign illus. by Francesca Carabelli. ISBN 978-1-4048-4784-2 ; ISBN 978-1-4048-4785-9 . LC 2008006458. ea vol: 24p. (Math Fun Series). illus. further reading. glossary. index. Web sites. CIP. Picture Window 2008. PLB $26.60; pap. $7.95. Gr 2-4 These attention-grabbing books will work in the right setting. Each spread describes one characteristic of the concept. Unfortunately, the texts do not simplify the topics enough for newcomers to the math. For example, Fraction states, If you were a fraction, you could be divided more than once. You would be one unit subdivided into equal parts. The cheerful acrylic illustrations explain the ideas well, and the cartoon creatures performing fun activities will appeal to children. There are a couple of quirky spotsin Odd , the number 1 is shown standing between 6 and 8, holding up an odd sign, for example. These titles are not for struggling students, but they will succeed as reinforcement.