Bound To Stay Bound

		Big Bertha: How A Massive Tunnel Boring Machine Dug A Highway Under Seattle  Author: Abler, Amanda  Publisher: Little Bigfoot (-1)  Dewey: 624.1  Classification: Nonfiction  Physical Description:   BTSB No: 040286  ISBN: 9781632173065  Ages: 7-10  Grades: 2-5
	Price: $14.24

Summary:
A nonfiction picture book about the drill that made the longest and widest tunnel in North America underneath Seattle.