books by subject
Children's Books on Heavy Machinery
Hammer at the Construction Site!: 10 Construction Sounds (10 Button Sound)
Machines
McToad Mows Tiny Island: A Transportation Tale
Get to Know Levers
Big Bigger and Biggest Trucks
Building Sites
Mega Machine Record Breakers
Big Machines Rescue!
Racing Along (Big Shiny Machines)
Printing (Usborne How to Guides)
Dig!: Peek a Flap Children’s Board Book (Peek a Boo Dig! Fun Children's Interactive Lift a Flap Board Book for Ages 0 and Up)
How to Catapult a Castle: Machines That Brought Down the Battlements (Fact Finders, Extreme)
How Machines Work (Children's World)
How to Draw Machines (Usborne Pocket Art)
Jumbo Jets (Mighty Machines (Hardcover))
Mighty Machines (Q & A Reference S.)
Stickmen's Guide to Gigantic Machines
My First Trucks and Diggers Let's Get Driving
Until I Met Dudley: How everday things really work
Digger (Machines at Work)
Wheels Keep Turning: a book about simple machines (Wonderwise)
The World's Most Unusual Machines (Extreme Machines)
MONSTER MACHINES TRUCKS
Master Engineer: Robots
Ultimate Robot Kit
Trucks (Young machines)
Tractor
Things That Go Let's Get Moving (My First)
Picture the World of Farm Machines
