Describes the 1911 fire that destroyed the Triangle Shirtwaist factory in New York's Greenwich Village, the deaths of 146 workers in the fire, and the implicati

Meet Triangle. He is going to play a sneaky trick on his friend, Square. Or so Triangle thinks. . . . With this first tale in a trilogy, partners in crime Mac B

Esther Gottesfeld is the last living survivor of the notorious 1911 Triangle Shirtwaist fire and has told her story countless times in the span of her lifetime.

With the advent of computer programs such as SketchPad, many high school students and amateur mathematicians are rediscovering interesting facts and theorems ab

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