A perfect square is transformed in this adventure story that will transport you far beyond the four equal sides of this square book.

Amish-English sleuthing duo Deborah Yoder and Callie Harper set out to solve a murder. But more than an innocent man’s future is at stake. In book two of the

From the dream team of Jon Klassen and Mac Barnett comes the second instalment in the exciting new shape trilogy. Every day, Square brings a block out of his ca

The images in this book are in color. For a less-expensive grayscale paperback version, see ISBN 9781680923254. Prealgebra 2e is designed to meet scope and sequ