Libros de Sharon Gordon (4 libros)
Adivina quién baja en picada

"Provides clues about an owl's physical characteristics, behaviors, and habitats in a guessing game format."--From source other than the Library of Congress
Colors

Easy to understand, lighthearted contrasts of color make clever, instructional use of repetition, both of word and sentence structure.
Guess Who Runs/ Adivina Quien Corre

Provides clues about a horse's physical characteristics, behaviors, and habitats in a guessing game format
Duro Blando

This starter volume uses everyday examples such as a baseball and a beach ball to demonstrate the contrast between hard and soft objects.