Publisher:	Scholastic Asia
Series:	Guided Reading
Published:
Format:	Paperback
Author:	Wil Mara
Illustrated by:
Guide Reading Level(US):	Y
Reading Recovery Level:
Lexile:	1110L
Text type:	Non Fiction
ISBN:	9780531211731
	The darkest, deepest reaches of the oceans are home to some of the only places on Earth that remain unexplored by humans. Readers will find out how researchers and engineers are working to map out these mysterious depths. They will also learn how humans first began exploring the planet's oceans and how sea exploration has changed over time.