Simple text and photographs present dump trucks and the work they do.

Simple text and photographs present different kinds of earthmovers.

Simple text and photographs present concrete mixers and the work they do.

A little old lady who is not afraid of anything must deal with a pumpkin head, a tall black hat, and other spooky objects that follow her through the dark woods trying to scare her.

Presents an introduction to chemistry, examining topics related to matter, chemical building blocks, properties and reactions, and elements, groups, and behavior, with unit tests, a final exam, and an answer key.

Simple text and photographs present backhoes and the work they do.

Simple text and photographs present concrete mixers and the work they do.