David Bauer

Factors moderating unemployment abroad

Signs

Everything is Matter! (Yellow Umbrella Books)

Let's Sort (Yellow Umbrella Books)

Adding Arctic Animals (Yellow Umbrella Books)

People Change the Land (Yellow Umbrella Books)

Rollout the Red Rug

Sumando Animales Del Artico

My apple tree

Matter Is Everything (Yellow Umbrella Books for Early Readers)

La gente cambia la tierra

People Change the Land (Yellow Umbrella Social Studies)

My Apple Tree (Yellow Umbrella Science)

Adding Arctic Animals (Yellow Umbrella Books for Early Readers)

Todos comen pan!

Todo Es Materia!

Vamos a clasificar

What needs the sun