Lassieur, Allison.

Mars alien attack! / by Allison Lassieur ; illustrated by Dave White. - New York : Scholastic, c2008. - 31 p. : col. ill. ; 23 cm. - Scholastic reader. Level 3 Space adventures .

At head of title: Lego space adventures. "Growing reader, 750-1500 words"--Cover.

Energy crystals are discovered in a canyon on Mars. Who will reach them first? The humans? Or the aliens?

ISBN: 9780545082198 (pbk.) 0545082196 (pbk.)

Subjects--Topical Terms:
LEGO toys--Fiction.
Extraterrestrial beings--Fiction.
Space warfare--Fiction.
Children's literature--2009.

Subjects--Geographic Terms:
Mars (Planet)--Exploration--Fiction.