Reviews & Previews

# Pythagoras and the Ratios: A Math Adventure by Julie Ellis

Magazine issue: Vol. 177 #12, June 5, 2010, p. 29

A boy’s quest to tune a pan flute and a lyre illustrates some of the many uses of mathematical ratios. (Ages 9 – 12)

*Charlesbridge, 2010, 32 p., $16.95.*