Start with high-confidence machines & tools books, then narrow by subgenre or adjacent topics.
Lift-the-flap Tab: Trucks
Roger Priddy
I Am a Garbage Truck
Ace Landers
My Little Golden Book About Construction Vehicles
Michael Joosten
Machines at Work Board Book
Byron Barton
Super Submarines
Tony Mitton, Ant Parker
Busy Boats
Marvelous Motorcycles
Tony Mitton
Amazing Machines: Shiny Snow Machines
Simple Machines
David A. Adler
Tool Book
Gail Gibbons
Trucks (national Geographic Kids Readers, Level 1)
Wil Mara
The Construction Alphabet Book
Jerry Pallotta
Hello, World! Construction Site
Jill McDonald
