Marcia Freeman

Las Estaciones del Ano (the Seasons of the Year)

Todo Bajo El Sol (de la Lectura a la Escritura)

Science Encyclopedia Index/Research Projects (Reference - Rourke's World of Science)

1, 2, 3, Go! (Math Focal Points (Discovery Library))

Eres Un Cientifico (You Are a Scientist)

El Libro del Trabajo (the Work Book) (Small Version of Big Books--Spanish)

What Makes Ten? (Math Focal Points (Discovery Library))

El Hombre (Human Life) (Reference - Spanish - Science)

Proyectos de Investigacion/ Indice Acumulative y Glosario (Index and Research Projects) (Reference - Spanish - Science)

How Muscles and Bones Hold You Up (Big Ideas for Young Scientists)

El Hombre

Una Docena de Primos

Multiplicar Con Los Dedos (Enfoque Matematico/Math Focal Points) (Enforque Matematico(bilingual Math Focal Points))

A Dozen Cousins (Math Focal Points) (Math Focal Points (Discovery Library))

More Ice Cream (Math Focal Points)

1, 2, 3go (Math Focal Points (Discovery Library))

Mas Helado: Palabras Para Comparaciones Matematicas (More Ice Cream: Words for Math Comparisons)

Como Llegamos a Diez? Datos Numericos (What Makes Ten?: Number Facts) (What Makes Ten?:, Facts)

Mi Hermana Esta En Terver Grado: Ordenar Los Numeros

Multiply by Hand: The Nines Facts

1, 2, 3, Adelante! Un Libro Para Aprendar a Contar

What Makes 10?

How Muscles and Bones Hold You Up: A Book about Models

Science Encyclopedia Human Life