MORRISON, YVONNE

Earth Partners : Saving the Planet / Morrison, Yvonne ... – New York : Children, 2008. - 36 p., ill.; . . – 978-0-531-17753-2, 0-531-17753-X : 150 tg.

MORRISON, YVONNE

Earth Matters / Morrison, Yvonne ... – New York : Children, 2008. - 36 p., ill.; . . – 978-0-531-17747-1, 0-531-17747-5 : 150 tg.

YOUNG, JUNE

Energy Is Everywhere / Young, June ... – USA : Children`s Press, 2006. - 31 p., Photos;– (Read-About Science. . . – 0-516-25902-4 : 200 tg.

TRUDI STRAIN TRUEIT

Earth Day / Trudi Strain Trueit ... – USA : Children`Press, 2007. - 31 p., ill.; . . – 13: 978-0-531-12455-0, 10: 0-531-12455-X : 200 tg.

CHERNICOFF, STANLEY

Essentials of Geology / Chernicoff, Stanley Haydh A. "Chip" Fox . – Second edition .. – USA : Houghton Mifflin Company, 2000. - 390 p., illustr.,tables.; . . – [N. e] – 0-395-97055-5 : 160 tg.