In rhyming text, Dump Truck and Cement Mixer have a colorful day at the construction site underneath a bright blue sky, pouring loads of gray concrete and moving brown loads of rocks up to the white moon night.

As he works, Cement Mixer makes a little song of all the construction words from A to Z.

Bulldozer wants to invite all of his coworkers to a party to celebrate his special day, but to them it's just another day for scooping, sifting, stirring, and more.

"Something is stealing machine parts from all over Stermont, including a wrecking ball from a local construction site, and Alexander and his fellow monster hunters, Rip, and Nikki, fear that it is building a Stermont-smashing machine--so the friends must use the resources of the summer maker program at the library to stop this monster, and perhaps even solve the mystery of who is leaving monster trading cards where the Super Secret Monster Patrol...

"Little Excavator wants to help the big rigs transform a vacant lot into a neighborhood park, but he is too small to get the job done. That is, until he finds a job that is a perfect Little E-sized task"--

During a busy day at the construction site, the workers use a variety of machines to knock down a building and begin constructing a new one.