HOCK, PEGGY

Our Earth Clean Energy / Hock, Peggy ... – USA : Children's Press, 2009. - 24 p.– (Scholastic News. . . – 978-0531-13833-5, 0-531-13833-X : 100 tg.

PETERSEN, CHRISTINE

Wind Power / Petersen, Christine ... – USA : Children's Press, 2004. - 47 p. . . – 0-516-22809-9 : 300 p.

CETREY, HOLLY

What lf the Hole in the Ozone Layer Grows Larger? / Cetrey, Holly ... – USA : Children's Press, 2002. . . – 0-516-23913-9 : 150 tg.

VILLER, KIMBERKY M.

What lf We Run Out of Fossil Fuels? / Viller, Kimberky M. ... – USA : Children's Press, 2002. - 48 p.– (High interest books. : What if?). . . – 0-516-23915-5 : 150 tg.

EARLY, BOBBI

Tiny Life in a Puddle / Early, Bobbi ... – USA : Children`Press, 2005. - 31 p., ill.;– (Read-About Science. . . – 0-516-25272-0 : 200 tg.

LINDSTROM, KARIN

Tiny Life on Plants / Lindstrom, Karin ... – USA : Children`Press, 2005. - 31 p., ill.;– (Read-About Science. . . – 0-516-25297-6 : 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.

NARDO, DON

Cure Quest : the science of stem cell research / Nardo, Don ... – USA, New York : Compass Point Books, 2009. . . – 978-0-7565-3371-7 : 922 tg.

HEARN IZABELLA

The Galapagos [Text] : Level 1 / I. Hearn ... – Essex : Pearson Education Limited, 2010. - 22 p., il.;+ 1 CD-ROM .– (Penguin Active Reading. / series Editors: Andy Hopkins, Jocelyn Potter . . – [n. c.] – 978-1-4082-3117-3 : 10 tg.

SMITH BERNARD

The Amazon Rain Forest [Text] : Level 2 / B. Smith ... – Essex : Pearson Education Limited, 2008. - 30 p., il.;+ 1 CD-ROM .– (Penguin Readers. / series Editors: Andy Hopkins, Jocelyn Potter . . – [n. c.] – 978-1-4058-8154-8 : 5 tg.