Mission to Mars (Astronaut Girl, Bk. 4)

Now that the school year has begun, Val is excited for her class's first group science assignment! She picks Wallace and her two friends Ling and Abby to help bring her amazing idea to life. But Val quickly learns that this foursome can't agree on anything. They can't even decide which room to explore first when they wind up in a biodome on Mars. Can the group work together to protect the dome from a giant sandstorm and find their way back home?