About Laura Dollin Books by Laura Dollin Tough Stuff: Tractor Power by (author) Laura Dollin edited by Hyperion illustrated by Red Giraffe Tough Stuff: Digger Power by (author) Laura Dollin edited by Hyperion illustrated by Red Giraffe Tough Stuff: Excavadora Superfuerte by (author) Laura Dollin edited by Hyperion illustrated by Red Giraffe Tough Stuff: Tractor Superfuerte by (author) Laura Dollin illustrated by Red Giraffe