Oso en un cuadrado by Stella Blackstone and illustrated by Debbie Harter. Recommended reader for Lesson 5 - Las formas - from the Sonrisas Elementary Curriculum (under Elementary Curriculum).
Discover lots of different shapes with Bear — there are triangles on the waves, diamonds on the crown and stars in the sky. Rhyme, repetition and counting establish this book of shapes, and a two-page spread recapping the shapes and colors reinforces the educational building blocks.
Paperback, 24 pages.