Manual de la bruja

This book introduces readers to what it means to celebrate Divali, and shows them why this holiday is special.

Explores The Number Twelve With Relationship To Time, Counting, And Things That Are Sold By The Dozen.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Ever wonder how a balloon is made? Follow the journey of a balloon from its beginnings as gooey sap in a tree to its completion at a rubber factory. You'll be surprised to discover what a balloon started out as and how it becomes the bright, air-filled decoration that you enjoy today.